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10 Best Triathlon Watches 2025 in the United States
#1
Winner
Apple Watch Series 10 [GPS 46mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant
![Apple Watch Series 10 [GPS 46mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant](https://images-proxy.bestreviews.guide/pMbMLmPQHUTJhI3f-goNoyEdATs=/0x300/https://m.media-amazon.com/images/I/31Cud2WnszL._AC_CX679_.jpg)
The Apple Watch Series 10 is a versatile smartwatch that suits many fitness activities, including triathlon training. It offers a bright, larger screen with a lightweight and comfortable design, making it easy to wear all day and during workouts. The watch’s water resistance up to 50 meters means it’s safe for swimming, an essential feature for triathletes. Its GPS supports multiple satellite systems for accurate tracking of your routes in running, cycling, and swimming. Heart rate monitoring is advanced, including ECG capabilities and notifications for irregular heart rhythms, which can be useful for closely monitoring your performance and health.
Rating
9.7
Chosen by1,308
Battery Life
Heart Rate Monitoring
Durability
Most important from
13034 reviews
#2
Garmin® Forerunner® 970, Premium GPS Running and Triathlon Smartwatch, AMOLED Display, Built-in LED Flashlight, Carbon Gray DLC Titanium with Black Case and Black/Translucent Whitestone Band
The Garmin Forerunner 970 is a strong choice for triathletes looking for a high-quality multisport watch. It offers impressive battery life, lasting up to 15 days in smartwatch mode and 26 hours using GPS, which means fewer charges during long training or races. Its built-in multi-band GPS and full-color maps enhance route accuracy, helping you confidently navigate any course. The watch supports multisport auto-transition, automatically tracking your swims, bike rides, and runs without needing manual input, which is perfect for triathlon use.
Rating
9.4
Battery Life
GPS Accuracy
Multisport Mode
Most important from
92 reviews
#3
Garmin Forerunner 265 Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Powder Gray
The Garmin Forerunner 265 is a strong choice for triathletes thanks to its bright 1.3-inch AMOLED display and a comfortable, lightweight design. It offers solid battery life, lasting up to 13 days in regular smartwatch mode and around 20 hours with GPS active, which is great for long training sessions or races. Its multi-band GNSS with SatIQ technology improves GPS accuracy, especially in tricky environments, helping you track runs, cycling, and open-water swims more reliably.
Rating
9.2
Battery Life
GPS Accuracy
Heart Rate Monitoring
Most important from
846 reviews
Top 10 Best Triathlon Watches 2025 in the United States
#1
Winner
Apple Watch Series 10 [GPS 46mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant
Apple Watch Series 10 [GPS 46mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant
Battery Life: Up to 18 hours normal use
Water Resistance: Water resistant 50m, swimproof
GPS Accuracy: L1 GPS, GNSS, Galileo, BeiDou
Heart Rate Monitoring: Electrical and optical sensors, ECG app
Multisport Mode: Running, Hiking, Cycling, Swimming, Skiing
Durability: Water resistant 50m, Dust IP6X
Connectivity: GPS, LTE, Wi-Fi 4, Bluetooth 5.3
Chosen by 1308 this week
Garmin® Forerunner® 970, Premium GPS Running and Triathlon Smartwatch, AMOLED Display, Built-in LED Flashlight, Carbon Gray DLC Titanium with Black Case and Black/Translucent Whitestone Band
Garmin® Forerunner® 970, Premium GPS Running and Triathlon Smartwatch, AMOLED Display, Built-in LED Flashlight, Carbon Gray DLC Titanium with Black Case and Black/Translucent Whitestone Band
Battery Life: 15 days smartwatch, 26 hours GPS
GPS Accuracy: Built-in multi-band GPS
Heart Rate Monitoring: Running dynamics, ECG, advanced metrics
Multisport Mode: Auto-transition tracking swims, bike, runs
Durability: Titanium bezel, sapphire lens
Connectivity: Bluetooth, USB
Garmin Forerunner 265 Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Powder Gray
Garmin Forerunner 265 Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Powder Gray
Battery Life: 13 days smartwatch; 20 hours GPS
GPS Accuracy: Multi-band GNSS with SatIQ tech
Heart Rate Monitoring: Integrated heart rate monitoring
Multisport Mode: 30+ sport profiles, triathlon mode
Connectivity: Bluetooth, Wi-Fi, USB, Garmin Pay
Apple Watch SE (2nd Gen) [GPS 40mm] Smartwatch with Starlight Aluminum Case with Starlight Sport Band S/M. Fitness and Sleep Trackers, Crash Detection, Heart Rate Monitor, Retina Display
Apple Watch SE (2nd Gen) [GPS 40mm] Smartwatch with Starlight Aluminum Case with Starlight Sport Band S/M. Fitness and Sleep Trackers, Crash Detection, Heart Rate Monitor, Retina Display
Battery Life: lasts a day, needs daily recharge
Water Resistance: up to 50 meters
GPS Accuracy: reliable but less precise than tri watches
Heart Rate Monitoring: included, offers workout insights
Multisport Mode: supports multiple sports tracking
Durability: good for daily wear, not rough
Connectivity: syncs easily, includes music and calls
Garmin Forerunner 55, GPS Running Watch with Daily Suggested Workouts, Up to 2 weeks of Battery Life, Black - 010-02562-00
Garmin Forerunner 55, GPS Running Watch with Daily Suggested Workouts, Up to 2 weeks of Battery Life, Black - 010-02562-00
Battery Life: up to two weeks, 20 hours GPS
Water Resistance: suitable for swimming
GPS Accuracy: reliable
Heart Rate Monitoring: included
Multisport Mode: tracks running, cycling, swimming
Durability: solid
Connectivity: Bluetooth
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![Apple Watch SE (2nd Gen) [GPS 44mm] Smartwatch with Starlight Aluminum Case with Starlight Sport Loop. Fitness & Sleep Tracker, Crash Detection, Heart Rate Monitor, Carbon Neutral](https://images-proxy.bestreviews.guide/l9aGKPyn1P524UjZl1_5FiqeCwQ=/0x300/https://m.media-amazon.com/images/I/41s2wuK+FdL._AC_CX679_.jpg)
Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Pink Sand/Copper Rose, One Size (S & L Bands Included)
Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Pink Sand/Copper Rose, One Size (S & L Bands Included)
Battery Life: around 6 days
Water Resistance: up to 50 meters
GPS Accuracy: reliable for general fitness
Heart Rate Monitoring: 24/7 heart rate monitoring
Multisport Mode: 40+ exercise modes, auto detection
Connectivity: Bluetooth
Apple Watch Series 9 [GPS 45mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band S/M. Fitness Tracker, ECG Apps, Always-On Retina Display, Water Resistant
Apple Watch Series 9 [GPS 45mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band S/M. Fitness Tracker, ECG Apps, Always-On Retina Display, Water Resistant
Battery Life: requires daily charging
Water Resistance: up to 50 meters
GPS Accuracy: accurate tracking
Heart Rate Monitoring: reliable monitor with ECG and sleep
Multisport Mode: supports multiple workouts via app
Durability: dust and crack-resistant glass
Connectivity: Wi-Fi, links to iPhone calls
Apple Watch Ultra 2 [GPS + Cellular 49mm] Smartwatch with Rugged Titanium Case & Orange Ocean Band One Size. Fitness Tracker, Precision GPS, Action Button, Extra-Long Battery Life
Apple Watch Ultra 2 [GPS + Cellular 49mm] Smartwatch with Rugged Titanium Case & Orange Ocean Band One Size. Fitness Tracker, Precision GPS, Action Button, Extra-Long Battery Life
Battery Life: 36h regular, 72h Low Power Mode
Water Resistance: up to 100 meters
GPS Accuracy: dual-frequency GPS
Heart Rate Monitoring: ECG and blood oxygen
Multisport Mode: running, cycling, swimming, hiking
Durability: titanium case, sapphire crystal
Connectivity: Cellular, Wi-Fi
Garmin® Forerunner® 570, 42mm, Advanced GPS Running and Triathlon Smartwatch, AMOLED Display, Training and Recovery Features, Cloud Blue Aluminum with Translucent Whitestone/Cloud Blue Band
Garmin® Forerunner® 570, 42mm, Advanced GPS Running and Triathlon Smartwatch, AMOLED Display, Training and Recovery Features, Cloud Blue Aluminum with Translucent Whitestone/Cloud Blue Band
Battery Life: 10 days smartwatch, 18 hours GPS
GPS Accuracy: reliable and accurate
Heart Rate Monitoring: supported
Multisport Mode: 30+ sport profiles, includes triathlon
Connectivity: Bluetooth, USB, calls, texts via phone
#10
Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Lunar White/Platinum, One Size (S & L Bands Included)
Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Lunar White/Platinum, One Size (S & L Bands Included)
Battery Life: beyond 6 days
Water Resistance: up to 50 meters
GPS Accuracy: good accuracy
Heart Rate Monitoring: continuous 24/7 monitoring
Multisport Mode: over 40 exercise modes
Connectivity: Bluetooth calls, notifications, voice assistants
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Buying Guide for the Best Triathlon Watches
Choosing the right triathlon watch can significantly enhance your training and performance. A triathlon watch is designed to support you through swimming, cycling, and running, providing valuable data and insights to help you improve. When selecting a triathlon watch, it's important to consider various specifications that align with your training needs and goals. Here are some key specs to look out for and how to choose the best fit for you.Battery LifeBattery life refers to how long the watch can operate on a single charge. This is crucial for triathletes who may be training or competing for extended periods. Battery life can range from a few hours to several days. If you participate in long-distance events like Ironman, look for a watch with a longer battery life, ideally over 20 hours in GPS mode. For shorter events or daily training, a watch with 10-15 hours of battery life may suffice.
Water ResistanceWater resistance indicates how well the watch can withstand water exposure. This is essential for swimming segments of a triathlon. Watches typically have water resistance ratings measured in meters. A rating of 50 meters is generally sufficient for swimming, but if you plan to dive or swim in deeper waters, consider a watch with a 100-meter rating or more. Ensure the watch is specifically designed for swimming to avoid any damage.
GPS AccuracyGPS accuracy determines how precisely the watch can track your location and distance. This is important for monitoring your performance in cycling and running. GPS accuracy can vary based on the watch's technology and the environment. Look for watches with multi-satellite support (GPS, GLONASS, Galileo) for better accuracy. If you train in urban areas or dense forests, a watch with advanced GPS features will provide more reliable data.
Heart Rate MonitoringHeart rate monitoring tracks your heart rate during activities, helping you manage your effort and optimize training. Watches can have wrist-based sensors or require a chest strap for more accurate readings. If you prefer convenience, a wrist-based monitor is suitable, but for more precise data, especially during intense workouts, a chest strap is recommended. Choose based on your training intensity and need for accuracy.
Multisport ModeMultisport mode allows you to switch between different sports (swimming, cycling, running) seamlessly during a triathlon. This feature is important for tracking your performance across all segments without manually changing settings. Ensure the watch has an easy-to-use multisport mode that can be customized to your specific training and race needs. This will save time and provide comprehensive data for analysis.
DurabilityDurability refers to the watch's ability to withstand tough conditions and regular use. Triathlons can be demanding, so a durable watch is essential. Look for watches with robust materials like stainless steel or reinforced plastic, and features like scratch-resistant screens. If you train in harsh environments or have a rigorous training schedule, prioritize durability to ensure your watch lasts longer and performs reliably.
ConnectivityConnectivity options, such as Bluetooth and Wi-Fi, allow the watch to sync with other devices and apps for data transfer and analysis. This is useful for tracking progress, setting goals, and sharing results. If you use training apps or like to review your performance data on a computer or smartphone, choose a watch with strong connectivity features. This will enhance your training experience and provide more insights.