The Best Triathlon Watch For 2024

Best Triathlon Watch

An essential piece of equipment every triathlete should invest in is a reliable triathlon watch. A good GPS-enabled triathlon sports watch can enhance your training, monitor your progress, and boost your overall performance during a race. Whether you’re training for your first 5K, or about to race an Ironman triathlon, the best triathlon GPS watch will boost your training metrics.

I’ve personally gone through a dozen GPS-enabled watches and have some that are better than others. Nearly all of the newest ones have a wrist-based heart rate sensor making it easier to stay within my heart rate zones.

Let’s go over the best triathlon watch list of those currently on the market.

Best OVERALL

Garmin Forerunner 965

Garmin 965

Designed to provide athletes with all of the performance metrics they need for their training and racing endeavors.

$599.99

Best BATTERY LIFE

SUUNTO VERTICAL Titanium Solar

SUUNTO Vertical Titanium Solar Watch

One of the key features of this watch is its solar charging capability. Massive battery life.

$839.00

MOST RUGGED

Garmin fenix 7 Pro Sapphire Solar

Garmin fenix 7 Pro Sapphire Solar

When you want the very best components with an incredible battery life along with the Garmin brand this is your watch.

$899.00

BEST NEWCOMER

Polar Vantage V3

Polar Vantage V3

150+ sports profiles, including running, swimming, cycling, and various indoor and outdoor activities.

$599.95

BEST Full-Time Watch

Apple Watch Ultra 2

Apple Watch Ultra 2

Excellent choice for triathletes who want to track their progress in detail, and also use the watch for everyday life.

$799.00

The Best Triathlon Watch List

Best Overall
Best triathlon watch - Garmin Forerunner 965
Pros:
  • Huge amount of data collection
  • Garmin quality
  • Garmin Connect portal
  • Large, clear AMOLED display
Cons:
  • Can be challenging to learn all the menus

Garmin Forerunner 965

4.8

This triathlon watch is designed to provide athletes with all of the performance metrics they need for their training and racing endeavors. It’s equipped with an advanced optical heart rate sensor, a built-in GPS system, and a color display screen.

In addition, it boasts up to 7 days of battery life in smartwatch mode and more for an affordable price.

The Forerunner 965 comes in three colors – black case with a yellow band, black case with a black band, and Silver/whitestone case with a powder gray band.

The Garmin Forerunner 965 is designed to meet all of your triathlon needs with its performance metrics, tracking accuracy, user interface, data storage, and connectivity options.

Price

$599.99

Online Portal / App

All Garmin watches integrate seamlessly with Garmin Connect, Garmin’s online analytics app, and web portal. This portal is the best fitness tracker for triathlon, at least from the brand level.

Garmin Connect transforms raw data into meaningful and actionable insights. It will keep track of basic metrics like distance, pace, and duration, and it also delves deeper into advanced analytics. Heart rate monitoring, sleep tracking, and stress tracking, Garmin Connect can help paint a comprehensive picture of your overall health and well-being.

Extensibility

The Garmin system also allows many different “software plugins” from different accessory manufacturers. This system allows you to record metrics from non-Garmin accessories, as well as view their readings during a workout.

Connectivity

  • Wi-Fi
  • Bluetooth
  • ANT+

Memory / History Storage

32 GB

Music Capabilities

You can store and play music from the watch. The watch can also control the music on your smartphone while connected via Bluetooth.

Heart Rate Monitor

Wrist-based heart rate is recorded every second.

A chest strap monitor is available but must be purchased separately.

Colors

  • Black Case with Yellow/Black band
  • Black Case with Black/Gray band
  • White Case with White/Gray band

Size

  • Total Size: 47.2 mm x 47.2 mm x 13.2mm
  • Display Size: 1.4 inches (35.4 mm)

This will fit a wrist with a circumference between 135 mm to 205 mm.

Water Resistance

50 meters

Materials

  • Lens: Gorilla Glass
  • Bezel: Titanium
  • Strap: Silicone

Weight

53 grams

Battery Life

  • Smartwatch mode: Up to 23 days
  • GPS-only mode without music: Up to 31 hours
  • SatIQ (AutoSelect) GNSS mode: Up to 22 hours
  • All-Systems GNSS mode + Multi-Band: Up to 19 hours
  • GPS-Only GNSS mode with music: Up to 10.5 hours
  • SatIQ (AutoSelect) GNSS mode with music: Up to 9.5 hours
  • All-Systems GNSS mode + Multi-Band with music: Up to 8.5 hours

Warranty

Garmin fitness products are warranted to be free from defects in materials or workmanship for one year from the original date of purchase.

What Customers are Saying…

  • “The display is insane LEGIT”
  • “Best Garmin EVER!!!!”
  • “I am particularly pleased with the ancillary health data”
  • “Everything you could want”
  • “Huge upgrade. Completely worth it.”
  • “The battery doesn’t last as promised”

Best BATTERY LIFE
SUUNTO Vertical Titanium Solar Watch
Pros:
  • Super-long battery life
  • 95+ sport modes
  • Great mapping abilities
  • Large, clear display that is stronger than Gorilla glass
  • Two-year warranty
Cons:
  • Cost
  • Heavy

SUUNTO VERTICAL Titanium Solar

4.8

One of the key features of this watch is its solar charging capability. This is particularly beneficial for outdoor adventurers who spend extended periods in remote locations. According to SUUNTO, this solar option allows up to one year of battery life.

The VERTICAL Titanium Solar offers a range of outdoor activity tracking modes besides running and triathlon, including hiking, trail running, skiing, and mountaineering. It accurately records data such as altitude, ascent/descent rates, and total vertical gain, allowing users to analyze and improve their performance.

The watch features robust GPS connectivity (across 5 different satellite systems), enabling precise tracking of routes and the ability to confidently discover new paths. It includes a barometer, altimeter, and compass, providing essential information for navigation and weather forecasting.

The watch is compatible with the Suunto app, which provides a comprehensive overview of activity history, training insights, and the ability to share achievements with the Suunto community.

Price

$839.00

Online Portal / App

The SuuntoPlus Store in the app has additional plugins and guides for your watch available for free. You can find new devices that can connect to your Suunto, get new tools to manage your training, or features that give you more out of your desired sports.​

If you have a training plan in TrainingPeaks, you can load it into your watch via these plugins.

Extensibility

Through the SuuntoPlus store, you can find new sports apps and connect with other devices and get real-time insights. Suunto also has “SuuntoPlus Guides”, which allow a third party to integrate detailed workout plans (and more) into your watch.

Connectivity

  • Bluetooth

Updates are done via the Suunto App while connected to watch

Memory / History Storage

32 GB

Music Capabilities

Music can be stored and played from the watch. The watch can also control the music on your smartphone while connected via Bluetooth.

Heart Rate Monitor

Wrist-based heart rate.

A chest strap monitor is available but must be purchased separately.

Colors

  • Canyon Orange band
  • Black band
  • Sand Gray band
  • Forest Green band

Size

  • Total Size: 49 mm x 49 mm x 13.6mm
  • Display Size: 1.4 inches (35.4 mm)

This will fit a wrist with a circumference between 125 mm to 175 mm.

Water Resistance

100 meters

Materials

  • Lens: Sapphire crystal
  • Bezel: Titanium Grade 5
  • Strap: Silicone

Weight

86 grams

Battery Life

  • Time mode: Up to 1 year with solar.
  • 24/7 tracking and mobile notifications: 60 days with solar.
  • Training mode with GPS: 85 hours with solar.

Warranty

The Suunto Vertical Watch has a two-year warranty. Accessories are guaranteed for one year.

What Customers are Saying…

  • “I am super satisfied with the battery performance and the solar charging”
  • “The watch has a very solid feel.”
  • “Super long battery life, precise mapping, tactile and easy to use!”
  • “Super watch, it is very suitable for people who are outdoors regularly.”
  • “I test it in the mountains, it works perfectly.”
  • “The app is not user friendly”

MOST RUGGED
Garmin fenix 7 Pro Sapphire Solar
Pros:
  • Huge amount of data collection
  • Garmin quality
  • Tough
  • Long battery life
  • Built-in flashlight
Cons:
  • Price
  • Heavier than other watches

Garmin fenix 7 Pro Sapphire Solar

4.8

The Garmin fenix 7 Pro Sapphire Solar Watch is the latest addition to their renowned fenix series, setting new standards for performance, durability, and sustainability. This GPS watch offers the best from Garmin and is built to withstand everything you can throw at it.

Its solar power can extend your battery life considerably and it has a water rating down to 100 meters.

The watch comes in three sizes – 42mm, 47mm, 51mm case size. The battery life is quite different for each size, with the smaller sizes having much shorter battery capabilities.

The fenix 7 Pro Sapphire Solar comes in basically two colors – black or gray. It features Sapphire crystal, which is stronger than the Gorilla Glass that comes on the Garmin Forerunner 965.

One unique feature of this watch is that it comes with its own LED flashlight. If you’re in an adventure race, ultra marathon, or just like to finish your races in the dark, this might be your watch.

Price

$899.99

Online Portal / App

All Garmin watches integrate seamlessly with Garmin Connect, Garmin’s online analytics app, and web portal. This portal is the best fitness tracker for triathlon, at least from the brand level.

Garmin Connect transforms raw data into meaningful and actionable insights. It will keep track of basic metrics like distance, pace, and duration, and it also delves deeper into advanced analytics. Heart rate monitoring, sleep tracking, and stress tracking, Garmin Connect can help paint a comprehensive picture of your overall health and well-being.

Extensibility

The Garmin system also allows many different “software plugins” from different accessory manufacturers in the Connect IQ Store. This system allows you to record metrics from non-Garmin accessories, as well as view their readings during a workout.

Connectivity

  • Wi-Fi
  • Bluetooth
  • ANT+

Memory / History Storage

32 GB

Music Capabilities

You can store and play music from the watch. The watch can also control the music on your smartphone while connected via Bluetooth.

Heart Rate Monitor

Wrist-based heart rate is recorded every second.

A chest strap monitor is available but must be purchased separately.

Colors

  • Light Gray and Orange
  • Carbon Gray and Black

Size

The watch comes in 3 case sizes – 42 mm, 47 mm, and 51 mm

  • The silicone band will fit a wrist with a circumference between 125 mm to 208 mm.
  • The leather band will fit a wrist with a circumference between 132 mm to 210 mm.
  • The fabric band will fit a wrist with a circumference between 132 mm to 210 mm.
  • The metal band will fit a wrist with a circumference between 132 mm to 215 mm.
42mm Case Size
  • Total Size: 42 mm x 42 mm x 14.1 mm
  • Display Size: 1.2 inches (30.4 mm)
47mm Case Size
  • Total Size: 47 mm x 47 mm x 14.5 mm
  • Display Size: 1.3 inches (33.02 mm)
51mm Case Size
  • Total Size: 47 mm x 47 mm x 14.5 mm
  • Display Size: 1.3 inches (33.02 mm)

Water Resistance

100 meters

Materials

  • Lens: Power Sapphire
  • Bezel: Titanium
  • Strap: Silicone

Weight

42mm Case Size
  • 58 grams
47mm Case Size
  • 73 grams
51mm Case Size
  • 89 grams

Battery Life

42mm Case Size
  • Smartwatch mode: Up to 11 days / 14 days with solar
  • Battery Saver watch mode: Up to 38 days / 87 days with solar
  • GPS-only mode: Up to 37 hours / 46 hours with solar
  • All Satellite Systems: Up to 26 hours / 30 hours with solar
47mm Case Size
  • Smartwatch mode: Up to 18 days / 22 days with solar
  • Battery Saver watch mode: Up to 57 days / 173 days with solar
  • GPS-only mode: Up to 57 hours / 73 hours with solar
  • All Satellite Systems: Up to 40 hours / 48 hours with solar
51mm Case Size
  • Smartwatch mode: Up to 28 days / 37 days with solar
  • Battery Saver watch mode: Up to 90 days / Over 1 year with solar
  • GPS-only mode: Up to 89 hours / 122 hours with solar
  • All Satellite Systems: Up to 63 hours / 77 hours with solar

Warranty

Garmin fitness products are warranted to be free from defects in materials or workmanship for one year from the original date of purchase.

What Customers are Saying…

  • “Exceeds expectations”
  • “Very satisfied”
  • “Great performing smartwatch”
  • “No more battery life anxiety”
  • “Awesome watch”
  • “After about 60 days, the main menu button quit working”

Best NEWCOMER
Polar Vantage V3
Pros:
  • Over 150 sports modes
  • Lightweight
  • Easily understandable
  • Route guidance and mapping
Cons:
  • No ANT connectivity

polar Vantage V3

4.2

The Vantage V3 is Polar’s newest triathlon watch, and it’s a huge improvement over its predecessors. It features a sleek, lightweight design with a durable stainless steel case and a color touchscreen display. It is water-resistant up to 50 meters, making it suitable for swimming and other water-based activities.

The Vantage V3 now includes mapping and voice guidance functionality. Battery life has improved considerably as well.

The precision heart rate monitor uses Polar’s advanced optical sensor technology to provide accurate and real-time heart rate data. It also offers comprehensive sleep tracking, providing insights into the quality and duration of your sleep.

The triathlon & running watch incorporates Polar’s Training Load Pro and Recovery Pro features, which assess the intensity and strain of your training sessions and provide personalized guidance on recovery and readiness for the next workout. It also includes running power measurement, allowing you to track your running performance with greater precision.

The Vantage V3 includes integrated GPS and a barometer for accurate altitude and weather tracking. It offers over 150 sports profiles, including running, swimming, cycling, and various indoor and outdoor activities, allowing users to tailor their training data to their specific needs.

Price

$599.95

Online Portal / App

Polar FLOW – The free, simple, online platform that takes your body’s data and translates it into information you can use to optimize your training, fitness, recovery, and sleep.

Extensibility

The Polar Vantage V3 is compatible with many apps such as MyFitnessPal, Nike Training Club, Strava, etc.

Connectivity

  • Bluetooth
  • USB-A Cable

Memory / History Storage

32 MB

Music Capabilities

The watch can control the music on your smartphone while connected via Bluetooth 5.1.

Heart Rate Monitor

Wrist-based heart rate using Polar’s Precision Prime OHR Technology.

A chest strap monitor is available but must be purchased separately for around $50.

Colors

  • Sunrise Apricot
  • Night Black
  • Sky Blue

Size

  • Total Size: 47 mm x 50.8 mm x 14.5mm
  • Display Size: 1.39 inches

Water Resistance

50 meters

Materials

  • Lens: Curved Gorilla glass
  • Bezel: Aerospace aluminum
  • Strap: Silicone

Weight

57 grams

Battery Life

  • In training mode: up to 53 hours
  • In training mode with power save: up to 140 hours
  • In watch mode: up to 288 hours

Warranty

The Polar Vantage V3 has a two-year warranty.

What Customers are Saying…

  • “Battery life has improved”

Best Full-Time WATCH
Apple Watch Ultra 2
Pros:
  • Looks great
  • Tough Sapphire crystal lens
  • Lightweight
  • Incredible screen resolution
  • Apple quality
  • Cellular service built-in
Cons:
  • Battery life
  • Cost
  • Primarily for Apple/Mac users

Apple Watch Ultra 2

4.6

The Apple Watch Ultra smart watch is an excellent choice for triathletes who want to track their progress in detail, and also use the watch for everyday life. It has a variety of ergonomic features, including a lightweight design, rugged construction, and water resistance up to 100 meters. You can actually use it as a scuba diving watch underwater. We stick to our cold plunge pool.

It comes with cellular capabilities along with speakers and microphones. This makes it basically a smartphone on your wrist.

Additionally, it offers numerous apps that can help users monitor their health and fitness goals, such as calorie tracking, heart rate monitoring, and sleep tracking. This watch also comes with built-in GPS capabilities, which allow athletes to accurately track their runs or bike rides.

Finally, the watch also includes safety features like SOS calling, which allows users to contact emergency services with just one click.

This watch is going to be best utilized for Apple lovers, but the data will integrate easily into many 3rd party platforms such as TrainingPeaks.

Apple makes amazing user interfaces and user experiences, and this top-of-the-line Apple Watch is no exception.

Price

$799.00

Online Portal / App

If you’re an iPhone user, the Health app will show you a ton of information. The data does integrate with popular training platforms such as TrainingPeaks and Strava.

Extensibility

Pretty much any Apple App that uses health data integrates with the Apple Watch Ultra.

Connectivity

  • Bluetooth
  • Wi-Fi

Memory / History Storage

32 GB

Music Capabilities

This is the same as having an iPod on your wrist. You can store music on the watch, or Bluetooth to your phone and control the music from your wrist.

Heart Rate Monitor

Wrist-based monitoring can provide high and low heart rate notifications, irregular rhythm notifications, and pretty much everything else you can think of.

Colors

  • Natural titanium

Size

  • Total Size: 49 mm x 49 mm x 14.4 mm
  • Display Size: 49 mm x 49 mm

The watch comes with three specialized bands for athletes.

Water Resistance

100 meters

Materials

  • Lens: Sapphire crystal
  • Bezel: Titanium
  • Strap: Silicone

Weight

61.3 grams

Battery Life

  • Normal use: up to 36 hours
  • In power saving mode: up to 72 hours

Warranty

One-year warranty.

What Customers are Saying…

  • “A nice piece of engineering”
  • “Worth the price. Built to last. Made for adventure.”
  • “Rugged and comfortable!”
  • “Battery life is excellent and very bright in the sun.”
  • “Worth It!”
  • “Nice but heavy”

honorable mention
Coros Apex 2 Pro
Pros:
  • Strong GPS
  • Battery life
  • Good integration with 3rd party apps
Cons:
  • No ANT+ connectivity

COROS APEX 2 Pro

4.5

The Coros Apex 2 Pro Watch boasts advanced GPS and navigation features, making it an ideal companion for triathletes and anyone wanting to explore the outdoors. It has a built-in altimeter and barometer that provides real-time elevation and weather data, enabling you to stay up to date on changing conditions.

One standout feature is the impressive battery performance of up to 75 hours in full GPS mode. That’s more than enough juice for an Ironman or a bucket list ultramarathon.

It features a rugged and robust housing that can withstand the rigors of extreme sports and harsh environments. The watch is water-resistant up to 50 meters, allowing more than enough protection for your open-water swim or pool workout.

Its advanced GPS and navigation capabilities, long battery life, durable design, and comprehensive training metrics make it a formidable companion for any adventure.

Price

$449.00

Online Portal / App

With the COROS EvoLab and COROS Training Hub integration, you’ll have the same training insights that power Killian Jornet and Eliud Kipchoge.

Extensibility

Compatible with many apps – Komoot, TrainingPeaks, Strava, Apple Health, Final Surge, Stryd, and more.

Connectivity

  • Bluetooth
  • Wi-Fi

Memory / History Storage

Could not determine

Music Capabilities

Will play offline music when paired with supported Bluetooth headsets.

Heart Rate Monitor

Wrist-based monitoring using 5 LEDs with 4 photodetectors

Colors

  • Gray
  • Black
  • Green

Additional color bands are available for purchase.

Size

  • Total Size: 46.1 mm x 46.5 mm x 14 mm
  • Display Size: 1.3 in

Water Resistance

50 meters

Materials

  • Lens: Sapphire glass
  • Bezel: Titanium alloy
  • Strap: Silicone or Nylon

Weight

  • 66 grams with silicone band
  • 53 grams with nylon band (watch comes with nylon band)

Battery Life

  • Daily use: 30 days
  • Standard full GPS: 75 hours
  • All systems on: 45 hours
  • Dual frequency: 26 hours (11 hours with offline music enabled)

Charging time is less than 2 hours.

Warranty

Two-year global warranty.

What Customers are Saying…

  • “Good quality”
  • “The best watch I’ve ever owned!”
  • “Me likey!”
  • “satellite coverage is a lot stronger”
  • “No ANT+ Support is a Bummer”
  • “GPS is bad but great battery”

Conclusion

Whether you’re a data-obsessed athlete or an adventurous triathlete, there’s a triathlon watch fit for every budget and every preference.

Invest in a watch that suits your training style and one that will help you improve your fitness.

Whatever watch you choose, make sure it is water-resistant. You’ll need it to be sweat proof and for the portable cold plunge you’ll jump in after a race!

Good luck!

Disclosure

We review products based on a multi-point health-focused methodology. Some of the links in this article may be affiliate links, which can provide compensation to us if you decide to purchase the product at no cost to you.

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