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10 Best Triathlon Watches 2025 in the United States
#1
Winner
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
9.8
Chosen by1,117
Battery Life
GPS Accuracy
Heart Rate Monitoring
Most important from
667 reviews
#2
Garmin Forerunner 55, GPS Running Watch with Daily Suggested Workouts, Up to 2 weeks of Battery Life, Black - 010-02562-00
The Garmin Forerunner 55 is a solid choice for anyone looking for an easy-to-use triathlon watch that effectively covers the essentials across multiple sports. It stands out with its impressive battery life, lasting up to two weeks in smartwatch mode and around 20 hours with GPS active. This feature is particularly advantageous for long training sessions or races. The GPS accuracy is reliable, ensuring that your distance and pace tracking are precise, which is crucial for athletes monitoring their performance.
Rating
9.6
Battery Life
GPS Accuracy
Heart Rate Monitoring
Most important from
4210 reviews
#3
Garmin 010-02638-10 Forerunner® 955, GPS Running Smartwatch, Tailored to Triathletes, Long-Lasting Battery, Black
The Garmin Forerunner 955 is a solid choice for triathletes, boasting impressive features tailored to their needs. Its long battery life is a standout, offering up to 15 days in smartwatch mode and an incredible 42 hours in GPS mode, which is essential for endurance athletes. The watch is designed to withstand water exposure, making it suitable for swimming, and it provides accurate GPS tracking that’s enhanced by accessing multiple satellite systems, ensuring reliable performance even in challenging environments.
Rating
9.3
Battery Life
Water Resistance
Most important from
1484 reviews
Top 10 Best Triathlon Watches 2025 in the United States
#1
Winner
9.8 score
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
Chosen by 1117 this week
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
Garmin 010-02638-10 Forerunner® 955, GPS Running Smartwatch, Tailored to Triathletes, Long-Lasting Battery, Black
Garmin 010-02638-10 Forerunner® 955, GPS Running Smartwatch, Tailored to Triathletes, Long-Lasting Battery, Black
Battery Life: 15 days smartwatch, 42 hours GPS
Water Resistance: Suitable for swimming
GPS Accuracy: Enhanced by multiple satellite systems
Heart Rate Monitoring: Advanced heart rate monitoring
Multisport Mode: Triathlon and Multisport Profiles
Durability: Lightweight, care needed during extremes
Connectivity: Bluetooth, USB, Wi-Fi
COROS PACE 3 Sport Watch GPS, Lightweight and Comfort, 17 Days Battery Life, Dual-Frequency GPS, Heart Rate, Navigation, Sleep Track, Training Plan, Run, Bike, and Ski (Black Silicone)
COROS PACE 3 Sport Watch GPS, Lightweight and Comfort, 17 Days Battery Life, Dual-Frequency GPS, Heart Rate, Navigation, Sleep Track, Training Plan, Run, Bike, and Ski (Black Silicone)
Battery Life: 17 days
GPS Accuracy: dual-frequency
Multisport Mode: running, biking, swimming, skiing
Durability: 30g
Connectivity: Bluetooth
Garmin Forerunner 265S Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Amp Yellow, 42 mm
Garmin Forerunner 265S Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Amp Yellow, 42 mm
Battery Life: 15 days smartwatch, 24 hours GPS
Water Resistance: yes
GPS Accuracy: enhanced by multi-band GNSS
Heart Rate Monitoring: comprehensive
Multisport Mode: yes
Durability: robust construction
Connectivity: Bluetooth, Wi-Fi
Related Products
Garmin Forerunner® 255 Music, GPS Running Smartwatch with Music, Advanced Insights, Long-Lasting Battery, Black - 010-02641-20
Garmin Forerunner® 255 Music, GPS Running Smartwatch with Music, Advanced Insights, Long-Lasting Battery, Black - 010-02641-20
Battery Life: up to 14 days, 30 hours GPS
Water Resistance: water-resistant
GPS Accuracy: reliable performance
Heart Rate Monitoring: advanced, includes HRV tracking
Multisport Mode: supports multiple sports
Durability: robust design
Connectivity: Bluetooth, USB
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray
Battery Life: 14 days smartwatch, 30 hours GPS
GPS Accuracy: reliable GPS functionality
Heart Rate Monitoring: robust
Multisport Mode: integrated
Durability: solid
Connectivity: Bluetooth
Garmin Forerunner 945, Premium GPS Running/Triathlon Smartwatch with Music, Black - 010-02063-00
Garmin Forerunner 945, Premium GPS Running/Triathlon Smartwatch with Music, Black - 010-02063-00
Battery Life: up to 2 weeks, 10 hours GPS
Water Resistance: suitable for swimming
GPS Accuracy: reliable
Heart Rate Monitoring: wrist-based monitor
Multisport Mode: yes
Durability: solid, sturdy build
Connectivity: Bluetooth, Wi-Fi, GPS
Wearable4U - Garmin Forerunner 965 Premium GPS Running and Triathlon 47mm Smartwatch with AMOLED Touchscreen Display, Carbon Gray DLC Titanium Bezel with Black Silicone Band with Black Earbuds.
Wearable4U - Garmin Forerunner 965 Premium GPS Running and Triathlon 47mm Smartwatch with AMOLED Touchscreen Display, Carbon Gray DLC Titanium Bezel with Black Silicone Band with Black Earbuds.
Battery Life: up to 23 days, 31 hours GPS
GPS Accuracy: superior GPS with multi-band GNSS
Heart Rate Monitoring: comprehensive heart rate monitoring
Multisport Mode: available
Durability: lightweight, durable titanium bezel
Connectivity: Bluetooth, USB
#10
7.3 score
Garmin Forerunner 945 LTE, Premium GPS Running/Triathlon Smartwatch with LTE Connectivity, Black
Garmin Forerunner 945 LTE, Premium GPS Running/Triathlon Smartwatch with LTE Connectivity, Black
Battery Life: up to 2 weeks, 12 hours GPS
Water Resistance: robust
GPS Accuracy: reliable
Heart Rate Monitoring: underwater heart rate
Multisport Mode: smooth transitions between sports
Durability: solid
Connectivity: Bluetooth, Wi-Fi, NFC
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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.