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10 Best Triathlon Watches 2025 in the United States

SUUNTO 9 Peak Pro GPS Sports Watch, Up to 30 Days Long Battery Life, 95+ Multisport Watch w/Training Workout Analysis,Advanced Health & Recovery Support, Wrist Heart-Rate Measurement, Black

Battery Life: 30 days regular, 40 hours GPS, 70 hours endurance, 300 hours tour
Water Resistance: 100 meters
GPS Accuracy: Enhanced by four satellite systems
Heart Rate Monitoring: Wrist-based
Multisport Mode: 97 sport modes
Durability: Military-grade titanium, steel, sapphire glass
Connectivity: Bluetooth

SUUNTO Vertical Titanium Solar GPS Adventure Watch, Dual-Band GNSS, Offline Maps, Solar Charging, 95+ Sports Modes, Training Metrics & Recovery Insights

Battery Life: up to 60 days, 60 hours tracking
Water Resistance: suitable for swimming and sports
GPS Accuracy: exceptional, dualband GPS
Heart Rate Monitoring: advanced heart rate monitoring
Multisport Mode: over 95 multisport modes
Durability: titanium build, sapphire lens
Connectivity: Bluetooth
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Our Top Picks

#1

Winner

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)

Rating
9.8
Chosen by1,399
Battery Life
GPS Accuracy
Heart Rate Monitoring

Most important from
2054 reviews

Battery Life
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
GPS Accuracy
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
Heart Rate Monitoring
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
Durability
Lightweight and durable, it withstands physically demanding jobs without scratches or damage.
Connectivity
Syncing is incredibly quick and reliable, with accurate GPS performance.

The COROS PACE 3 Sport Watch GPS is an impressive choice for triathletes looking for a lightweight and feature-rich companion for their training and races. One of its standout strengths is the extended battery life, with up to 17 days of daily use and 38 hours of continuous GPS tracking. This is particularly beneficial for triathletes who require long-lasting performance during extended workouts or events.

The watch excels in GPS accuracy, thanks to its dual-frequency capabilities, which ensure reliable tracking even in challenging environments like urban areas with tall buildings. This feature is crucial for anyone who needs precise navigation during their training sessions or races. Additionally, the wide range of activity modes—covering running, biking, swimming, and even skiing—makes it a versatile choice for multi-sport athletes.

Comfort is another highlight as the watch is designed to be lightweight and durable, weighing only 30g, which makes it easy to wear throughout the day without feeling weighed down. The always-on transflective touchscreen display allows for easy readability in various lighting conditions, enhancing usability during outdoor activities. The COROS PACE 3 Sport Watch GPS is a strong contender for triathletes, especially those who value battery life, GPS accuracy, and comfort, though it may not meet the needs of those requiring advanced navigation features.

Rating
9.8
Chosen by1,399
Battery Life
GPS Accuracy
Heart Rate Monitoring

Most important from
2054 reviews

Battery Life
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
GPS Accuracy
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
Heart Rate Monitoring
The COROS PACE 3 surpasses previous Garmin models in software, heart rate monitoring, GPS tracking, and battery life.
Durability
Lightweight and durable, it withstands physically demanding jobs without scratches or damage.
Connectivity
Syncing is incredibly quick and reliable, with accurate GPS performance.
#2

COROS PACE Pro GPS SPORT WATCH, 1.3-inch AMOLED Touchscreen, Fastest in Class Processor Running Watch, 20 days Battery Life, Navigation with Global Offline Maps, Sleep Tracking, Running, Cycling-Black

Rating
9.6
Battery Life
GPS Accuracy
Heart Rate Monitoring

Most important from
240 reviews

Battery Life
The battery life is outstanding, lasting significantly longer than typical GPS watches, making it ideal for extended training and races.
GPS Accuracy
The watch delivers reliable GPS accuracy with its advanced satellite chipset, ensuring precise tracking across various terrains.
Heart Rate Monitoring
Heart rate monitoring combined with a dedicated app provides valuable fitness insights and customizable training support.
Multisport Mode
Navigation features like offline maps and turn-by-turn directions allow seamless multisport use without relying on a phone.
Durability
Its competitive price point offers excellent value for triathletes seeking a feature-rich and durable GPS watch.
Connectivity
Connectivity options including Bluetooth, fast WiFi transfers, and USB-C charging add convenience to daily use.

The COROS PACE Pro is a solid choice for triathletes looking for a GPS sport watch that combines strong performance with a vibrant display. Its 1.3-inch AMOLED touchscreen is bright and clear, making it easy to read your stats in all lighting conditions. The watch shines with an impressive battery life—up to 20 days in normal use and about 31-38 hours of continuous GPS tracking, which is great for long training sessions or races. GPS accuracy is top-notch thanks to a new satellite chipset, ensuring reliable tracking whether you’re running in the city or cycling on trails.

For multisport needs, it supports navigation with offline maps and turn-by-turn directions, helping you stay on route without needing your phone. Connectivity is handled well with Bluetooth and fast WiFi transfers, plus USB-C charging makes powering up convenient. The heart rate monitoring and fitness management features are backed by a dedicated app with insights and training tools, which helps you track recovery and customize workouts.

The COROS PACE Pro delivers excellent value for triathletes wanting a reliable, feature-rich GPS watch with long battery life and sharp display quality.

Rating
9.6
Battery Life
GPS Accuracy
Heart Rate Monitoring

Most important from
240 reviews

Battery Life
The battery life is outstanding, lasting significantly longer than typical GPS watches, making it ideal for extended training and races.
GPS Accuracy
The watch delivers reliable GPS accuracy with its advanced satellite chipset, ensuring precise tracking across various terrains.
Heart Rate Monitoring
Heart rate monitoring combined with a dedicated app provides valuable fitness insights and customizable training support.
Multisport Mode
Navigation features like offline maps and turn-by-turn directions allow seamless multisport use without relying on a phone.
Durability
Its competitive price point offers excellent value for triathletes seeking a feature-rich and durable GPS watch.
Connectivity
Connectivity options including Bluetooth, fast WiFi transfers, and USB-C charging add convenience to daily use.

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.

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