15 Best Smartwatches for Running, Compared
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Choosing the best smartwatches for running requires looking at specific hardware details that affect your daily training. We compared 15 models based strictly on the specifications published on their listings. The Samsung Galaxy Watch 8 40mm LTE leads this list because its 1.06-ounce weight and 40mm size offer a snug fit for runners with smaller wrists who need LTE connectivity. This guide helps you decide which device matches your wrist size, battery needs, and connectivity requirements for your next run.
Match your case size and connectivity needs
Check the case diameter and weight first. The Samsung Galaxy Watch 8 40mm LTE weighs 1.06 ounces, while the Samsung Galaxy Watch Ultra 47mm is heavier. Decide if you need LTE for standalone calls or GPS for tracking. Smaller wrists fit 40mm models better. Larger displays suit 47mm cases. Pick the size that stays comfortable during your run.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Samsung Galaxy Watch 8 40mm LTE Best overall | Runners with smaller wrists needing LTE | |
| 2 | Garmin Forerunner 165 43mm Also great | runners wanting a lightweight AMOLED watch with long battery life | |
| 3 | Samsung Galaxy Watch Ultra 47mm Best titanium | runners wanting titanium durability and LTE | |
| 4 | Garmin Forerunner 970 47mm AMOLED Best premium | endurance runners needing durable hardware | |
| 5 | Garmin Forerunner 265 46mm AMOLED Also great | Runners wanting AMOLED brightness and long battery life | |
| 6 | Samsung Galaxy Watch 8 40mm Bluetooth Also great | runners wanting a lightweight, small-screen Android watch | |
| 7 | Samsung Galaxy Watch9 40mm LTE Best cellular | runners wanting LTE and health tracking in a compact 40mm case | |
| 8 | Google Pixel Watch 3 41mm Android Best budget | Android runners wanting compact form tracking | |
| 9 | Garmin HRM 600 Heart Rate Monitor Also great | Runners needing detailed running dynamics | |
| 10 | Garmin Forerunner 170 Music 43mm Also great | runners wanting lightweight GPS and music storage | |
| 11 | Garmin Forerunner 570 42mm Best triathlon | smaller wrists and triathlon training | |
| 12 | Garmin Forerunner 265S 42mm AMOLED Also great | Runners with smaller wrists wanting advanced metrics | |
| 13 | Garmin Forerunner 55 GPS Running Smartwatch Also great | Runners needing core GPS and free training plans | |
| 14 | Garmin Forerunner 165 Music 43mm Also great | Runners wanting AMOLED display and music storage | |
| 15 | Samsung Galaxy Watch 8 40mm Bluetooth Also great | smaller wrists needing heart rate tracking |
The best fit for you
- You need the most compact LTE watch for smaller wrists – Samsung Galaxy Watch 8 40mm LTE – The 40mm case and 1.06 ounce weight provide a snug fit with standalone LTE connectivity.
- You want a bright AMOLED screen with long battery life – Garmin Forerunner 165 43mm – The 43mm AMOLED display delivers clear visuals while the lightweight design keeps you comfortable.
- You require durable titanium construction for endurance running – Samsung Galaxy Watch Ultra 47mm – The titanium case and LTE support offer robust durability for long-distance training sessions.
- You need precise form tracking on an Android phone – Google Pixel Watch 3 41mm Android – The 41mm aluminum case provides detailed heart rate data and readiness scores for Android users.
Is Running Worth It?
Running mode tracks your pace, distance, and heart rate during workouts. Some models like the Garmin Forerunner 55 offer core GPS accuracy and free training plans without extra complexity. Others provide advanced metrics such as recovery insights or biomechanical data for detailed analysis. If you want to monitor your health or follow structured guidance, these features help you stay on track. For casual walkers, basic step counting may suffice.
Worth it if
- You want to monitor your pace and heart rate during workouts
- You need structured training plans or recovery insights
- You prefer detailed biomechanical data for form analysis
Skip it if
- You only walk occasionally and do not track specific distances
- You prefer a simple step counter without GPS tracking
- You do not care about heart rate monitoring during exercise
Samsung Galaxy Watch 8 40mm LTE
Best for: Runners with smaller wrists needing LTE
- Activity
- Running
- Case Size
- 40mm
- Connectivity
- LTE
- Features
- Heart Rate Monitor
- Color
- Silver
- Tracking Features
- Heart Rate Monitoring
The Samsung Galaxy Watch 8 (2025) is a 40mm LTE smartwatch designed for runners who want real-time coaching. It weighs 1.06 ounces and measures 0.34 inches thick. The device tracks heart rate and provides sleep coaching. Its compact 40mm case offers a snug fit for smaller wrists. You get hands-free connectivity via LTE and an AI assistant. This model suits those prioritizing lightweight comfort and dedicated running metrics.
- 40mm case size fits smaller wrists comfortably
- LTE connectivity for standalone calls and data
- Lightweight 1.06 ounces build for all-day wear
- Built-in Running Coach provides real-time feedback
- Advanced Sleep Coaching with Bedtime Guidance
- 40mm case is smaller than many competitors
- 0.34 inch thickness may feel less substantial
- 90-day warranty is shorter than standard industry terms
- You prefer a lightweight watch under 1.1 ounces
- You need LTE for runs without your phone
- You want dedicated running coaching features
- You prefer larger 45mm or bigger displays
- You want a longer than 90-day warranty
- You do not need cellular connectivity
Verdict: Samsung Galaxy Watch 8 40mm LTE is a compact, lightweight LTE smartwatch that fits runners seeking real-time coaching and a snug fit. It is ideal for those with smaller wrists who want standalone connectivity without bulk.
Garmin Forerunner 165 43mm
Best for: runners wanting a lightweight AMOLED watch with long battery life
- Activity
- Running, Training
- Case Size
- 43mm
- Battery Life
- Up to 11 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Color
- Black
The Garmin Forerunner 165 is a 43mm running smartwatch with a bright AMOLED display and built-in GPS. It tracks pace, distance, and wrist-based heart rate while offering up to 11 days of battery life in smartwatch mode. The device provides daily workout suggestions, training effect labels, and recovery time estimates. It includes safety features like incident detection and smart notifications. This model suits runners who want essential training data without extra bulk.
- AMOLED touchscreen display for clear visibility
- Built-in GPS for pace and distance tracking
- Up to 11 days of battery life in smartwatch mode
- Personalized daily suggested workouts based on recovery
- Incident detection sends location to emergency contacts
- 43mm case size is smaller than the 47mm models on this list
- Standard version lacks built-in music storage compared to the Music variant
- 19 hours of GPS battery life is less than some premium competitors
- You want a lightweight 43mm watch for smaller wrists
- You prefer an AMOLED display for bright outdoor visibility
- You need essential training metrics without complex settings
- You require built-in music storage for phone-free runs
- You prefer a larger 47mm case for easier button access
- You need LTE connectivity for calls without your phone
Verdict: The Garmin Forerunner 165 43mm fits runners who prioritize a bright AMOLED screen and long battery life in a compact, lightweight package. It delivers core training data effectively for those who do not need music storage or LTE connectivity.
Samsung Galaxy Watch Ultra 47mm
Best for: runners wanting titanium durability and LTE
- Activity
- Running
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Features
- Heart Rate Monitor
- Tracking Features
- Heart Rate Monitoring
This 47mm Samsung Galaxy Watch Ultra uses a titanium casing for durability and lightweight performance. It features LTE and GPS connectivity for tracking runs without a phone. The device includes heart rate monitoring and advanced sleep coaching. It suits runners who want a rugged, data-focused smartwatch with long-lasting build quality for outdoor activities.
- Titanium casing for rugged durability
- 47mm case size for clear visibility
- LTE and GPS connectivity
- Heart rate monitoring for tracking metrics
- 47mm case is larger than 40mm and 41mm competitors
- 2.08 ounces is heavier than aluminum models
- Limited to heart rate tracking metrics
- You want a titanium build for outdoor durability
- You prefer a larger 47mm display for readability
- You need LTE connectivity for phone-free running
- You prefer smaller 40mm or 41mm watches
- You want a lighter aluminum build
- You need comprehensive health sensors beyond heart rate
Verdict: Samsung Galaxy Watch Ultra 47mm is a rugged choice for runners who prioritize titanium durability and LTE connectivity. It fits those who want a larger display and do not mind the extra weight for a more robust build.
Garmin Forerunner 970 47mm AMOLED
Best for: endurance runners needing durable hardware
- Activity
- Running
- Case Size
- 47mm
- Battery Life
- Up to 15 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Case Material
- Titanium
The Garmin Forerunner 970 is a 47mm running smartwatch built with a titanium bezel and sapphire lens. It features a bright AMOLED touchscreen and multi-band GPS for accurate route tracking. You get up to 15 days of battery life in smartwatch mode and 26 hours in GPS mode. The device includes a built-in LED flashlight for low-light runs and supports phone calls via a built-in microphone and speaker. It also offers ECG monitoring and training readiness scores.
- Titanium bezel and sapphire lens for durability
- AMOLED touchscreen with button controls
- Up to 15 days battery life in smartwatch mode
- Built-in LED flashlight for night runs
- Multi-band GPS with full-color maps
- 47mm case size is larger than the 40mm and 41mm options on this list
- Renewed condition may vary in cosmetic appearance
- Running economy and step speed loss metrics require the separate HRM 600 monitor
- You want a durable titanium build with a bright AMOLED display
- You need long battery life for extended training blocks
- You run in low-light conditions and value the built-in flashlight
- You prefer a smaller 40mm or 41mm case size
- You need a brand-new unit rather than a renewed one
- You do not want to purchase a separate heart rate monitor for advanced metrics
Verdict: The Garmin Forerunner 970 47mm Titanium is a robust choice for runners who prioritize durability and long battery life over a compact wrist profile.
Garmin Forerunner 265 46mm AMOLED
Best for: Runners wanting AMOLED brightness and long battery life
- Activity
- Running, Training
- Case Size
- 46mm
- Battery Life
- up to 13 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Features
- Recovery Insights
The Garmin Forerunner 265 is a GPS running smartwatch with a 46 mm case and an AMOLED display. It offers up to 13 days of battery life in smartwatch mode and 20 hours in GPS mode. The device tracks running, triathlons, and swimming while providing recovery insights and heart rate variability data. It weighs 1.66 ounces and supports Garmin Pay. This watch suits runners who want detailed metrics and a bright screen.
- 46 mm AMOLED touchscreen display
- Up to 13 days battery life in smartwatch mode
- Up to 20 hours GPS battery life
- Lightweight 1.66 ounces design
- Includes recovery insights and HRV tracking
- 46 mm case is larger than the 40 mm or 42 mm options in this list
- GPS-only connectivity lacks LTE for independent calls
- Renewed condition means it is refurbished
- You want a bright AMOLED screen for outdoor visibility
- You prefer a larger 46 mm case for easier reading
- You need up to 20 hours of continuous GPS tracking
- You need LTE connectivity for calls without your phone
- You prefer a smaller 40 mm or 42 mm case size
- You want a brand new device rather than a refurbished one
Verdict: The Garmin Forerunner 265 46mm AMOLED fits runners who prioritize a bright display and long battery life over a compact size. It delivers solid training metrics and GPS reliability for extended runs.
Samsung Galaxy Watch 8 40mm Bluetooth
Best for: runners wanting a lightweight, small-screen Android watch
- Activity
- Running
- Case Size
- 40mm
- Connectivity
- Bluetooth
- Color
- Silver
- Dimensions
- 7.13 × 2.76 × 1.65 inches
- Weight
- 1.06 ounces
The Samsung Galaxy Watch 8 40mm Bluetooth offers a lightweight, snug design for runners who prefer a smaller wrist profile. Weighing just 1.06 ounces, it features a Running Coach for real-time performance feedback and Advanced Sleep Coaching to optimize rest. The device includes blood pressure monitoring with calibration and a personal AI assistant. It is a practical choice for Android users seeking detailed health insights in a compact, minimalist form factor.
- Lightweight 1.06-ounce build for all-day comfort
- Dedicated Running Coach with real-time feedback
- Advanced Sleep Coaching and Bedtime Guidance
- Blood pressure monitoring via Samsung Health Monitor
- 40mm case size is smaller than the 43mm and 47mm options on this list
- Bluetooth-only connectivity lacks built-in cellular for standalone calls
- Requires calibration with a separate blood pressure cuff for readings
- You want a lightweight watch that sits snugly during runs
- You prefer a smaller 40mm display for a minimalist look
- You use Android and want integrated sleep and running coaching
- You need built-in LTE for calls without your phone
- You prefer a larger 43mm or 47mm display
- You want a watch that works with iOS devices
Verdict: Samsung Galaxy Watch 8 40mm Bluetooth is a compact, lightweight option for runners who prioritize sleep coaching and a snug fit over larger screens or cellular connectivity.
Samsung Galaxy Watch9 40mm LTE
Best for: runners wanting LTE and health tracking in a compact 40mm case
- Activity
- Running
- Case Size
- 40mm
- Connectivity
- LTE
- Features
- Heart Rate Monitor
- Color
- Graphite
- Tracking Features
- Heart Rate Monitoring
The Samsung Galaxy Watch9 40mm LTE is a compact smartwatch designed for runners who need independent connectivity. It features built-in LTE for calls and texts without a phone, plus a heart rate monitor for tracking your workout intensity. The 40mm case size keeps the device lightweight at 1.1 ounces, making it comfortable for daily wear. This model suits you if you want health insights like sleep coaching and blood pressure tracking alongside your run.
- Built-in LTE connectivity for calls and texts without a phone
- Heart rate monitor tracks workout intensity
- 40mm case size keeps weight at 1.1 ounces
- Advanced Sleep Coaching provides tailored health guidance
- Blood pressure measurement capability with calibration
- 40mm case size is smaller than the 47mm options available on other models
- 1.1 ounces weight is slightly higher than some basic GPS watches
- Limited to 40mm and 44mm size options compared to broader ranges
- You want to leave your phone behind during runs
- You prefer a compact 40mm watch face
- You value detailed sleep and health pattern tracking
- You need a larger 47mm display for better readability
- You prefer a lighter watch under 1 ounce
- You do not need cellular connectivity
Verdict: Samsung Galaxy Watch9 40mm LTE fits runners who need LTE independence and health insights in a compact frame. It is ideal if you want a smaller 40mm case and detailed sleep coaching rather than a larger display.
Google Pixel Watch 3 41mm Android
Best for: Android runners wanting compact form tracking
- Activity
- Running
- Case Size
- 41mm
- Battery Life
- 24-Hour
- Case Material
- Aluminum
- Connectivity
- Wi-Fi
- Features
- Heart Rate Monitor
The Google Pixel Watch 3 is a 41mm Android smartwatch built for runners. It features a 24-hour battery life and an aluminum case. The device includes a heart rate monitor and Fitbit advanced running metrics. You get real-time guidance and form tracking. This model suits Android users who want data-driven insights without a large screen.
- 41mm case size for a compact fit
- 24-hour battery life for daily tracking
- Aluminum case material for lightweight durability
- Heart rate monitoring for cardio load analysis
- Fitbit advanced running features with form tracking
- 24-hour battery life requires daily charging
- 41mm screen is smaller than many competitors
- Android-only compatibility limits iPhone users
- You use an Android phone for full integration
- You prefer a smaller 41mm watch face
- You want detailed running form data
- You use an iPhone as your primary device
- You need multi-day battery life between charges
- You prefer a larger display for readability
Verdict: Google Pixel Watch 3 41mm Aluminum fits Android runners who prioritize detailed form tracking and a compact design. It delivers precise heart rate data and readiness scores, making it a solid tool for daily training analysis.
Garmin HRM 600 Heart Rate Monitor
Best for: Runners needing detailed running dynamics
- Activity
- Running
- Battery Life
- Up to 2 months
- Features
- Heart Rate Monitor
- Color
- Black
- Tracking Features
- Heart Rate Monitoring
- Dimensions
- 0.4 × 2.7 × 1.2 inches
The Garmin HRM 600 is a chest strap heart rate monitor designed for runners who need precise data. It tracks real-time heart rate, HRV, and running dynamics like stride length and vertical oscillation. The device offers up to 2 months of battery life and is machine-washable. It syncs with compatible Garmin smartwatches and the Garmin Connect app. This accessory suits athletes seeking detailed performance metrics during runs or indoor track sessions.
- Tracks running dynamics including stride length and ground contact time balance
- Up to 2 months of battery life on a single charge
- Machine-washable strap for easy maintenance
- Sends real-time heart rate and HRV data to compatible devices
- Requires a compatible Garmin smartwatch or cycling computer to display running dynamics
- Limited to heart rate and basic metrics when used without a watch
- Only available in X-Small-Small and M-XL sizes
- You want accurate heart rate data during team sports where a watch is impractical
- You need detailed running dynamics like stride length and vertical oscillation
- You prefer a machine-washable strap for hygiene
- You do not own a compatible Garmin smartwatch or cycling computer
- You need a standalone device with its own display
- You require a size other than X-Small-Small or M-XL
Verdict: Garmin HRM 600 Heart Rate Monitor provides essential running dynamics for data-driven athletes. It fits runners who already use Garmin watches and want precise biomechanical insights without carrying extra devices.
Garmin Forerunner 170 Music 43mm
Best for: runners wanting lightweight GPS and music storage
- Activity
- Running, Training
- Case Size
- 43mm
- Battery Life
- Up to 10 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Features
- Music
The Garmin Forerunner 170 Music is a lightweight running smartwatch with a 43mm case and an AMOLED display. It features built-in GPS and wrist-based heart rate tracking for accurate pace and distance data. You get up to 10 days of battery life in smartwatch mode, which supports daily training insights and recovery metrics. The watch includes on-wrist music storage for phone-free listening. It is designed for runners who want essential data and training guidance without bulk.
- 10-day battery life in smartwatch mode
- Brilliant AMOLED touchscreen display
- Built-in GPS for accurate tracking
- On-wrist music storage for phone-free listening
- Personalized Garmin Coach training plans
- Smaller 43mm case size compared to larger 47mm options
- Shorter 20-hour GPS battery life compared to premium models
- Lighter 1.4-ounce build may feel less substantial
- You prefer a lightweight watch for daily runs
- You want an AMOLED display for clear visibility
- You need on-wrist music storage without a phone
- You require LTE connectivity for calls without a phone
- You need a larger 47mm case for better readability
- You want multi-band GPS for maximum accuracy
Verdict: The Garmin Forerunner 170 Music 43mm fits runners who want a lightweight, data-focused watch with clear display and music storage. It is ideal for those who prioritize battery life and training guidance over advanced connectivity features.
Garmin Forerunner 570 42mm
Best for: smaller wrists and triathlon training
- Activity
- Running, Training, Triathlon
- Case Size
- 42mm
- Battery Life
- Up to 10 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Case Material
- Aluminum
The Garmin Forerunner 570 is a 42mm aluminum smartwatch with an AMOLED display, designed for runners and triathletes. It offers up to 10 days of battery life in smartwatch mode and 18 hours in GPS mode. Key features include Garmin Coach training plans, training readiness scores, and built-in microphone and speaker for calls. It suits smaller wrists and those wanting detailed recovery insights.
- 42mm aluminum case fits smaller wrists
- AMOLED touchscreen display
- Up to 10 days battery life in smartwatch mode
- Built-in microphone and speaker for calls
- Garmin Coach training plans for running and triathlon
- 42mm case size is smaller than the 47mm options available
- Aluminum case is less durable than titanium casings found on other models
- You have smaller wrists and prefer a 42mm watch
- You want an AMOLED display for clear visibility
- You need built-in microphone and speaker for calls
- You prefer a larger 47mm case size
- You need a titanium case for maximum durability
- You do not want an AMOLED display
Verdict: The Garmin Forerunner 570 42mm is a practical choice for runners with smaller wrists who want an AMOLED display and call capabilities. It offers solid battery life and detailed training insights, making it a strong option for triathletes.
Garmin Forerunner 265S 42mm AMOLED
Best for: Runners with smaller wrists wanting advanced metrics
- Activity
- Running, Training
- Case Size
- 42mm
- Battery Life
- Up to 15 days
- Display Type
- AMOLED
- Features
- Music, Recovery Insights
- Dimensions
- 1.64 × 1.64 × 0.51 inches
The Garmin Forerunner 265S is a 42mm running smartwatch with a lightweight 1.38-ounce build and a vibrant AMOLED display. It offers up to 15 days of battery life in smartwatch mode and 24 hours in GPS mode. You get personalized daily workouts, training readiness scores, and morning reports on recovery and sleep. This model suits runners who want advanced metrics in a smaller case size without carrying extra weight.
- 42mm case size fits smaller wrists comfortably
- Lightweight 1.38-ounce aluminum design
- Up to 15 days battery life in smartwatch mode
- Brilliant AMOLED touchscreen display
- 42mm case is smaller than the 43mm and 47mm options on this list
- 1.38-ounce weight is lighter than many full-size counterparts, which may feel less substantial
- You prefer a smaller 42mm case for smaller wrists
- You want up to 15 days of battery life
- You need personalized daily suggested workouts based on your race goals
- You need a larger 46mm or 47mm display
- You require LTE connectivity for calls without your phone
- You prefer a traditional non-AMOLED display
Verdict: The Garmin Forerunner 265S 42mm is ideal for runners with smaller wrists who want advanced training metrics in a lightweight package. It fits those who prioritize battery life and a bright AMOLED screen over a larger case size.
Garmin Forerunner 55 GPS Running Smartwatch
Best for: Runners needing core GPS and free training plans
- Activity
- Running
- Connectivity
- GPS, GLONASS, Galileo
- Color
- Black
- Dimensions
- 1.65 × 1.65 × 0.47 inches
- Weight
- 1.31 ounces
The Garmin Forerunner 55 is a dedicated running smartwatch with a 1.04-inch display. It supports GPS, GLONASS, and Galileo for precise tracking. You get 17 activity profiles and personalized training suggestions. The device weighs 1.31 ounces and measures 1.65 inches wide. It includes free training plans for 5 km, 10 km, or half marathon goals. This watch suits runners who want essential metrics without extra bulk.
- Supports GPS, GLONASS, and Galileo for multi-satellite positioning
- Includes 17 built-in activity profiles for varied workouts
- Offers PacePro and recovery time features for effort management
- Provides free training plans for 5 km, 10 km, and half marathon
- 1.04-inch display is smaller than the 41mm or 43mm screens on competing models
- 1.31-ounce weight is heavier than some lighter fitness-focused trackers
- Lacks the larger 47mm case option found on premium Garmin running watches
- You want a lightweight GPS watch focused on running metrics
- You need free structured training plans for distance races
- You prefer a smaller 1.04-inch display for easy readability
- You need a large display for detailed map navigation
- You require LTE connectivity for calls without your phone
- You want advanced training load metrics found in higher-tier models
Verdict: The Garmin Forerunner 55 GPS Running Smartwatch fits runners who prioritize core GPS accuracy and free training plans over large displays or smart features. It is a practical tool for tracking pace and recovery without unnecessary complexity.
Garmin Forerunner 165 Music 43mm
Best for: Runners wanting AMOLED display and music storage
- Activity
- Running, Training
- Case Size
- 43 mm
- Battery Life
- Up to 11 days
- Display Type
- AMOLED
- Connectivity
- GPS
- Features
- Music, Recovery Insights
The Garmin Forerunner 165 is a 43 mm running smartwatch with a colorful AMOLED display. It offers up to 11 days of battery life in smartwatch mode and 19 hours in GPS mode. You get built-in GPS, wrist-based heart rate, and music storage for phone-free listening. The device includes training metrics, recovery insights, and Garmin Coach plans. It suits runners who want detailed performance data in a lightweight, colorful package.
- 43 mm AMOLED touchscreen display
- Up to 11 days battery life in smartwatch mode
- Built-in GPS and wrist-based heart rate
- Download songs from Spotify, Amazon Music, or Deezer
- Personalized daily suggested workouts and recovery insights
- 19 hours GPS battery life is shorter than the Garmin Forerunner 55
- 43 mm case size is smaller than the 47 mm Garmin Forerunner 970
- 1.38 ounces weight is slightly heavier than the 40 mm Samsung Galaxy Watch 8
- You want a colorful AMOLED screen for clear data viewing
- You need up to 11 days of battery life for daily wear
- You prefer phone-free music playback during runs
- You require LTE connectivity for calls without your phone
- You prefer a larger 47 mm case for bigger screens
- You need titanium casing for extreme durability
Verdict: The Garmin Forerunner 165 43mm AMOLED is a practical choice for runners who value long battery life and music storage. It fits you well if you want detailed training metrics in a lightweight, colorful design.
Samsung Galaxy Watch 8 40mm Bluetooth
Best for: smaller wrists needing heart rate tracking
- Activity
- Running
- Case Size
- 40mm
- Connectivity
- Bluetooth
- Case Material
- Aluminum
- Features
- Heart Rate Monitor
- Color
- Silver
The Samsung Galaxy Watch 8 is a 40mm Bluetooth smartwatch with an aluminum case. It tracks heart rate during running and offers sleep coaching. The compact size fits smaller wrists comfortably. This renewed model works like new. It suits runners who want a lightweight tracker for daily activity and heart rate monitoring without cellular connectivity.
- 40mm aluminum case for a compact fit
- Heart rate monitoring for running
- Sleep coaching feature included
- Renewed condition inspected and tested
- Bluetooth-only connectivity lacks LTE option
- 40mm case size is smaller than many competitors
- You prefer a lightweight watch for smaller wrists
- You want heart rate tracking for runs
- You like sleep coaching insights
- You need built-in cellular connectivity
- You prefer a larger display size
- You want a brand-new device
Verdict: Samsung Galaxy Watch 8 40mm is a practical choice for runners with smaller wrists who prioritize heart rate data and sleep insights over cellular features.
Specifications side by side
| Spec | Samsung Galaxy Watch 8 40mm LTE | Garmin Forerunner 165 43mm | Samsung Galaxy Watch Ultra 47mm | Garmin Forerunner 970 47mm AMOLED | Garmin Forerunner 265 46mm AMOLED | Samsung Galaxy Watch 8 40mm Bluetooth | Samsung Galaxy Watch9 40mm LTE | Google Pixel Watch 3 41mm Android | Garmin HRM 600 Heart Rate Monitor | Garmin Forerunner 170 Music 43mm | Garmin Forerunner 570 42mm | Garmin Forerunner 265S 42mm AMOLED | Garmin Forerunner 55 GPS Running Smartwatch | Garmin Forerunner 165 Music 43mm | Samsung Galaxy Watch 8 40mm Bluetooth |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case Size | 40mm | 43mm | 47mm | 47mm | 46mm | 40mm | 40mm | 41mm | – | 43mm | 42mm | 42mm | – | 43 mm | 40mm |
| Battery Life | – | Up to 11 days | – | Up to 15 days | up to 13 days | – | – | 24-Hour | Up to 2 months | Up to 10 days | Up to 10 days | Up to 15 days | – | Up to 11 days | – |
| Display Type | – | AMOLED | – | AMOLED | AMOLED | – | – | – | – | AMOLED | AMOLED | AMOLED | – | AMOLED | – |
| Connectivity | LTE | GPS | LTE, GPS | GPS | GPS | Bluetooth | LTE | – | – | GPS | GPS | – | GPS, GLONASS, Galileo | GPS | Bluetooth |
| Case Material | – | – | Titanium | Titanium | – | – | – | Aluminum | – | – | Aluminum | – | – | – | Aluminum |
| Features | Heart Rate Monitor | – | Heart Rate Monitor | Built-in Flashlight | Recovery Insights | – | Heart Rate Monitor | Heart Rate Monitor | Heart Rate Monitor | Music | – | Music, Recovery Insights | – | Music, Recovery Insights | Heart Rate Monitor |
| Activity | Running | Running, Training | Running | Running | Running, Training | Running | Running | Running | Running | Running, Training | Running, Training, Triathlon | Running, Training | Running | Running, Training | Running |
| Color | Silver | Black | Titanium Blue | French Gray with Indigo | Black and Powder Gray | Silver | Graphite | Polished Silver Aluminum Case – Porcelain Band | Black | Teal Green with Citron | Slate with Black Band | Light Pink and Powder Gray | Black | Berry | Silver |
| Size | 40mm | 43mm | 47Mm | Adjustable | 46 mm | 40mm | 40mm | 41Mm | X-Small-Small | 43mm | 42mm | 42mm | M | Adjustable | 40mm |
| Tracking Features | Heart Rate Monitoring | – | Heart Rate Monitoring | – | – | – | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | – | – | – | – | – | Heart Rate Monitoring |
| Compatibility | – | – | – | – | – | – | – | Android | – | – | – | – | – | – | – |
| Tracked Metrics | Heart Rate | – | Heart Rate | – | – | – | Heart Rate | Heart Rate | Heart Rate | – | – | – | – | – | Heart Rate |
| Dimensions | 1.68 × 1.59 × 0.34 inches | 1.69 × 0.46 × 1.69 inches | 6 × 4 × 4 inches | 8.1 × 6.4 × 5.1 inches | – | 7.13 × 2.76 × 1.65 inches | – | 1.34 × 3.19 × 9.45 inches | 0.4 × 2.7 × 1.2 inches | 1.68 × 1.68 × 0.47 inches | 8.1 × 6.4 × 4.8 inches | 1.64 × 1.64 × 0.51 inches | 1.65 × 1.65 × 0.47 inches | 1.69 × 0.46 × 1.69 inches | – |
| Weight | 1.06 ounces | 1.38 ounces | 2.08 ounces | – | 1.66 ounces | 1.06 ounces | 1.1 ounces | 61.4 grams | 2.2 ounces | 1.4 ounces | – | 1.38 ounces | 1.31 ounces | 1.38 ounces | – |
| Model | L325U | 010-02863-20 | L705U | Forerunner 970 | 010-N2810-00 | SM-L320NZSQXAA | SM-L345UZKQXAA | – | 010-13383-01 | 010-03920-12 | – | 010-02810-05 | 010-02562-10 | 165 | SM-L320NZSCXAA |
If you want audio prompts while tracking workouts, you can compare the best headphones for running alongside your watch specs.
How we picked running watches
We identified these 15 watches by scanning Amazon listings for the activity: running feature. We only included items where the title or feature list explicitly states running capability. This ensures every product on the list is relevant to your training needs.
We ordered the results by availability first, then by rating weighted by count, and finally by how many running criteria the specs meet. We selected only one size or variant per product family. All details come from published specifications. We did not handle or test these devices physically.
How to Choose Your Running Watch
Check the case size
Your wrist circumference determines the ideal case diameter. Smaller wrists benefit from 40mm or 41mm models like the Samsung Galaxy Watch 8 or Google Pixel Watch 3. These compact designs sit snugly and do not slide during movement. Larger wrists may prefer the 47mm Samsung Galaxy Watch Ultra for a more substantial feel. Always verify the millimeter measurement in the specs. A mismatched size can cause discomfort or inaccurate sensor readings during long runs. Choose the diameter that fits your wrist comfortably.
Decide on connectivity
Determine if you need standalone calls or just GPS tracking. LTE models like the Samsung Galaxy Watch 9 allow you to leave your phone behind. This feature adds independence but requires a cellular plan. Most runners only need GPS connectivity for accurate pace and distance tracking. Bluetooth models connect to your phone for data sync. Evaluate your daily routine. If you run near home, GPS is sufficient. If you run far from your phone, LTE provides necessary safety and communication options without extra bulk.
Select the display type
AMOLED screens offer brighter visuals and better outdoor readability. Models like the Garmin Forerunner 165 and Forerunner 265 use this technology for clear data in sunlight. Standard displays may struggle in bright conditions. Consider your typical running environment. If you train early morning or in direct sun, an AMOLED panel ensures you can read metrics easily. Check the specifications for display type. This choice affects visibility and battery consumption. Brighter screens consume more power, so balance visibility needs with battery life expectations for your longest runs.
Evaluate case material
The case material impacts durability and weight. Titanium models like the Samsung Galaxy Watch Ultra provide robust protection against impacts. Aluminum options, such as the Google Pixel Watch 3, are lighter and more affordable. Steel or other metals add heft. Consider your training intensity. Trail runners may prefer titanium for scratch resistance. Road runners might prioritize lightweight aluminum for comfort. Review the case material in the specs. This detail influences how the watch feels on your wrist and how well it withstands daily wear and tear during vigorous exercise.
Review tracked metrics
Identify which health data matters most for your training. Heart rate monitoring is standard across most models, including the Garmin HRM 600. Some watches offer recovery insights or form tracking. The Google Pixel Watch 3 provides detailed form analysis. The Garmin Forerunner 265 includes recovery metrics. Check the tracked metrics section in the specs. If you focus on pace, basic heart rate is enough. If you optimize performance, look for advanced biomechanical data. Align the available metrics with your specific fitness goals to avoid paying for unused features.
Frequently asked questions
Which smartwatch is best for runners with smaller wrists?
The Samsung Galaxy Watch 8 40mm LTE is ideal for smaller wrists. Its 40mm case and 1.06-ounce weight ensure a snug fit during movement. You also get LTE connectivity for standalone calls. The Bluetooth version offers the same compact size without cellular features.
Do I need LTE or just GPS for running?
Choose LTE if you want to leave your phone behind for calls and data. The Samsung Galaxy Watch 8 LTE and Galaxy Watch 9 LTE provide this independence. If you only need tracking, standard GPS models like the Garmin Forerunner 165 are lighter and focus on core metrics.
Which watch has the best display for outdoor running?
Look for AMOLED screens for better visibility in bright sunlight. The Garmin Forerunner 165, 265, and 570 all feature bright AMOLED displays. The Samsung Galaxy Watch 8 also offers a clear screen. These panels deliver sharp visuals for tracking pace and distance during your run.
Are there watches that track running form and dynamics?
Yes, the Google Pixel Watch 3 provides detailed form tracking. It delivers precise heart rate data and readiness scores for daily analysis. The Garmin HRM 600 Heart Rate Monitor adds essential biomechanical insights for data-driven athletes. These tools help refine your technique without carrying extra devices.
Which smartwatch is best for triathletes?
The Garmin Forerunner 570 42mm is designed for triathlon training. It offers an AMOLED display and solid battery life for multi-sport events. The watch supports running, training, and triathlon modes. Its 42mm aluminum case fits smaller wrists comfortably while providing detailed training insights.
Can I store music on my running watch?
Several Garmin models include built-in music storage. The Forerunner 170 Music and 165 Music allow you to store tracks directly on the device. This lets you leave your phone at home. You get lightweight GPS tracking with clear displays and long battery life for extended workouts.
Which watch is best for endurance runners?
The Garmin Forerunner 970 47mm Titanium is built for endurance. It features durable hardware and a built-in flashlight for low-light conditions. The robust design supports long battery life. You get GPS connectivity and recovery insights to manage intense training loads without worrying about device durability.
Is there a lightweight option for daily runs?
The Samsung Galaxy Watch 8 Bluetooth version weighs just 1.06 ounces. Its 40mm case provides a lightweight, compact fit for daily training. You get heart rate monitoring and sleep coaching without the bulk of larger models. It is a practical choice for runners prioritizing comfort and snugness.
See also
- Google Smartwatches: 11 Picks Ranked by Specs
- Best Samsung Smartwatches with Bluetooth: 12 Spec-Based Picks
- Best Apple Titanium Smartwatches in 2026: 12 Picks
- 12 Best Garmin 42mm Smartwatches, Compared
- Best Garmin Smartwatches for Multisport: 12 Spec-Based Picks
- Best Garmin Smartwatches Under $1000 in 2026: 12 Picks