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10 Best Triathlon Training Watches 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Garmin Forerunner 55, GPS Running Watch with Daily Suggested Workouts, Up to 2 weeks of Battery Life, Black - 010-02562-00

Rating
9.9
Chosen by1,285
GPS Accuracy
Heart Rate Monitoring
Battery Life

Most important from
4008 reviews

GPS Accuracy
Pace and distance tracking are accurate, and the post-run stats in the Garmin Connect app are super detailed.
Heart Rate Monitoring
It's lightweight, comfortable, and packed with features like GPS tracking, heart rate monitoring, and suggested workouts.
Battery Life
The battery life is fantastic—I can go days without charging even with regular use.

The Garmin Forerunner 55 is a versatile and user-friendly watch, ideal for triathlon training. One of its standout strengths is the impressive battery life, lasting up to 2 weeks in smartwatch mode and 20 hours in GPS mode, ensuring it won't let you down during extended activities. The watch's GPS accuracy is commendable for tracking your routes and performance accurately, which is crucial for multi-sport enthusiasts. Additionally, the built-in heart rate monitor at the wrist provides valuable insights into your training intensity and overall fitness, although it is not a medical device.

The watch's multisport mode supports a variety of activities, including running, cycling, swimming, and more, making it highly adaptable for triathlon training. Water resistance adds to its durability, ensuring it can handle swimming and other water-based activities without issues. The Garmin Forerunner 55 also includes training and recovery features like PacePro, race time predictions, and suggested workouts based on your history and fitness level, which can significantly enhance your training regimen.

On the downside, the watch's 1.04-inch display might feel small for some users, and the lack of on-device course compatibility for the PacePro feature could be limiting for those who prefer more autonomy during their training. Connectivity is solid with Bluetooth support, allowing for customization and syncing with compatible smartphones via the Garmin Connect app. The watch's lightweight and durable build make it comfortable to wear and capable of withstanding rigorous training conditions. This watch is a solid choice for triathletes looking for a reliable, feature-packed training companion.

Rating
9.9
Chosen by1,285
GPS Accuracy
Heart Rate Monitoring
Battery Life

Most important from
4008 reviews

GPS Accuracy
Pace and distance tracking are accurate, and the post-run stats in the Garmin Connect app are super detailed.
Heart Rate Monitoring
It's lightweight, comfortable, and packed with features like GPS tracking, heart rate monitoring, and suggested workouts.
Battery Life
The battery life is fantastic—I can go days without charging even with regular use.
#2

Garmin Forerunner® 965 Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black and Powder Gray, 010-02809-00

Rating
9.8
Battery Life
GPS Accuracy
Connectivity and Compatibility

Most important from
778 reviews

Battery Life
The battery life is outstanding, lasting about two weeks between charges, which is a significant improvement over other smartwatches.
GPS Accuracy
The GPS accuracy is excellent, making it worth the upgrade for precise tracking.
Connectivity and Compatibility
Compatibility with the Garmin phone app and Garmin Connect ensures a seamless user experience.

The Garmin Forerunner® 965 Running Smartwatch is a strong contender in the triathlon-training watch category, offering a diverse range of features tailored to athletes. Its brilliant AMOLED touchscreen display paired with traditional button controls ensures both modern aesthetics and functional usability. The lightweight titanium bezel adds to its durability while keeping the device comfortable for long wear. It boasts an impressive battery life of up to 23 days in smartwatch mode and 31 hours in GPS mode, making it reliable for extended training sessions and competitions.

The built-in multi-band GPS with SatIQ technology ensures superior accuracy, even in challenging environments, which is crucial for precise tracking during outdoor activities. Additionally, the full-color built-in maps enhance navigation, helping athletes confidently follow any route. One of the standout features is the comprehensive training metrics and recovery insights. The watch provides a training readiness score based on various factors like sleep quality and HRV status, and its daily suggested workouts adapt to the user’s performance and recovery status.

The ability to switch between sports with a single button press and customize multisport profiles is highly beneficial for triathletes. Wrist-based running dynamics and power measurements, along with heart rate monitoring, offer detailed performance data to fine-tune training. On the downside, with its advanced features and high performance, the Garmin Forerunner® 965 comes at a premium price, which might be a consideration for budget-conscious users. Additionally, while it has a robust set of features, the complexity might be overwhelming for beginners who may not fully utilize all the advanced metrics. However, for serious triathletes and fitness enthusiasts looking for a comprehensive and durable training companion, the Garmin Forerunner® 965 is a remarkable choice.

Rating
9.8
Battery Life
GPS Accuracy
Connectivity and Compatibility

Most important from
778 reviews

Battery Life
The battery life is outstanding, lasting about two weeks between charges, which is a significant improvement over other smartwatches.
GPS Accuracy
The GPS accuracy is excellent, making it worth the upgrade for precise tracking.
Connectivity and Compatibility
Compatibility with the Garmin phone app and Garmin Connect ensures a seamless user experience.
#3

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
9.6
Multisport Mode
GPS Accuracy
Heart Rate Monitoring

Most important from
1796 reviews

Multisport Mode
The Coros Pace 3 is perfect for athletes with its wide range of preset exercises and sports modes.
GPS Accuracy
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Heart Rate Monitoring
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Battery Life
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Durability and Build Quality
The nylon band is durable and dries quickly after washing.

The ABC 1234 is a compact and efficient vacuum cleaner designed for modern homes. It features a powerful motor and advanced filtration system, ensuring a thorough clean every time. The vacuum comes with multiple attachments, making it versatile for different cleaning needs around the house.

This product is designed with ease of use in mind, featuring a lightweight body and ergonomic handle. It also includes a bagless design with an easy-to-empty dustbin, reducing the hassle of maintenance. With its sleek design and efficient performance, the ABC 1234 is an excellent choice for those seeking a reliable cleaning solution.

Rating
9.6
Multisport Mode
GPS Accuracy
Heart Rate Monitoring

Most important from
1796 reviews

Multisport Mode
The Coros Pace 3 is perfect for athletes with its wide range of preset exercises and sports modes.
GPS Accuracy
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Heart Rate Monitoring
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Battery Life
The Coros Pace 3 outperforms Garmin in software, heart rate monitoring, GPS tracking, and battery life.
Durability and Build Quality
The nylon band is durable and dries quickly after washing.

Buying Guide for the Best Triathlon Training Watches

Choosing the right triathlon training watch can significantly enhance your training and performance. A good triathlon watch should be able to track multiple sports, provide accurate data, and be durable enough to withstand various conditions. Here are some key specifications to consider when selecting a triathlon training watch and how to navigate them to find the best fit for your needs.
Multisport ModeMultisport mode allows you to switch between different sports (swimming, cycling, running) without stopping the activity tracking. This is crucial for triathletes as it ensures seamless data recording across all segments of the race. Look for watches that offer easy transitions between sports and customizable settings for each sport. If you are a beginner, a basic multisport mode might suffice, but advanced athletes may prefer more detailed customization options.
GPS AccuracyGPS accuracy is essential for tracking your routes, distances, and pace accurately. A watch with high GPS accuracy will provide reliable data, which is crucial for analyzing your performance and planning your training. GPS accuracy can vary, with some watches offering multi-band GPS for better precision. If you train in areas with challenging GPS conditions (like dense forests or urban environments), opt for a watch with advanced GPS capabilities.
Heart Rate MonitoringHeart rate monitoring helps you understand your exertion levels and optimize your training intensity. Watches can measure heart rate through optical sensors on the wrist or chest straps. Wrist-based sensors are more convenient, while chest straps tend to be more accurate. Choose a watch with a heart rate monitoring method that suits your comfort and accuracy needs. For high-intensity training, a chest strap might be preferable.
Battery LifeBattery life determines how long your watch can operate between charges, which is particularly important for long training sessions and races. Watches with longer battery life are beneficial for endurance athletes. Battery life can range from a few hours to several days, depending on the GPS and other features in use. Consider your training duration and frequency to select a watch with adequate battery life.
Water ResistanceWater resistance is crucial for triathletes, especially during the swimming segment. A watch with good water resistance can withstand being submerged and continue to function accurately. Water resistance is usually measured in meters; a rating of 50 meters or more is generally sufficient for swimming. Ensure the watch you choose can handle the water conditions you will encounter during training and races.
Training and Recovery FeaturesTraining and recovery features provide insights into your performance and help prevent overtraining. These features can include training load analysis, recovery time recommendations, and sleep tracking. Advanced watches offer more detailed metrics and personalized coaching. If you are serious about optimizing your training, look for watches with comprehensive training and recovery features.
Connectivity and CompatibilityConnectivity and compatibility with other devices and apps can enhance your training experience. Features like Bluetooth, ANT+, and Wi-Fi allow you to sync data with your smartphone, computer, or other fitness devices. Compatibility with popular fitness apps can help you analyze your data and share your progress. Ensure the watch you choose can easily integrate with your existing devices and preferred apps.
Durability and Build QualityDurability and build quality are important for a watch that will be used in various environments and conditions. A robust watch can withstand impacts, extreme temperatures, and rough handling. Look for watches made with durable materials like stainless steel or reinforced plastic. If you train in harsh conditions, prioritize a watch with high durability and a rugged design.

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