Best Triathlon Watches

There was a time when running or sports watches could only offer time and heart rate, and offered little additional value.  Thankfully, those times are long gone.  With the proliferation of GPS-enabled devices and better waterproofing, modern triathlon watches are quite advanced in their offering and can help any athlete train with more precision.  These are true multipart watches that can be used in a number of workouts and races.

We will even take it a step further:  We think you need a good triathlon watch in order to train effectively.  Training precision is key because it helps you train less but better.

For 2019, the watchmakers have turned the simple watches into complex fitness tracking tools.  They can tell you how far you’ve gone, how fast you are going, the intensity of your overall workout, other key health info, and even integrate with your bike’s power meter (if you have one).  They can upload data to shared apps (like Strava) to help you share your training with the community. These triathlon watches work in three different modes of swimming, running, and cycling. If you are running a triathlon and looking for a smart watch, you need to look for all these modes. Through comparing different watches available in the market, we have identified our four favorite watches for you.  Some are spendy, some are cheaper.  All are watches that we would recommend other triathletes.

4 Best Triathlon Watches

With no further adieu, here are our picks:

ModelProsConsBest ForPrice Range / Check Price
Garmin Forerunner 935Evolved from Garmin's long line of capable sport watches
Very lightweight given the features
Garmin's model's change often; it won't be the new version for long.Great all-around for triathletes of all skill levels$$$ / Find Here
Tom Tom MultisportGood all-around mileage and pace tracking
Available at closeout prices
Being discontinued. May be hard to find support in the future.Bargain hunters who don't mind a discontinued model$$ / Find Here
Polar Vantage VSleek Design
Excellent waterproofing
Excels in all 3 sports.
On the expensive side, but still a solid valueSerious triathletes and those who want expanded features$$$$ / Find Here
Gamin Fenix 5Multi-use as a tracker, sport watch, and dress watch
Includes sophisticated settings for many activities, not just triathlon
ExpensivePeople who have the budget for a high-end, multi-use watch.$$$$$ / Find Here
Fitbit Flex 2Small and light
Doubles as everyday watch / tracker
Limited functionality for serious athletes
Not as waterproof
Weekend athletes looking for a fitness tracker$ / Find Here

1.  Garmin Forerunner 935  

Find here. Let’s cut to the chase: The Garmin 935 is our favorite triathlon watch.  The Forerunner 935 is the best multipart watch on the market, in our opinion.  We love the features, the fit, and the design — it is much thinner than even its predecessor (the 910) and it a quantum leap from the old Garmins of several years ago.  With the ability to track all three sports, and to be in training mode for a whopping 24 hours, this watch is suitable for everyone all the way up to the serious Ironman triathlete.

garmin 935 watch

Garmin 935

It is similar in style to the Garmin 920, but with a few added features.  When given the choice, go with the newer 935 as it will likely be more compatible with apps and sharing.  The 920 is being discontinued, which means most new apps will be written to work with the 935.

Design

We hear some people complain that the sports watches available in the market are not comfortable to wear because of the larger size. Garmin Forerunner 935 is no different regarding size, but the larger size has an advantage as the buttons on front and side are easy to locate.  As long as you adjust the watch so that it fits you well and comfortably, the size should not present a problem.

Weighing about 45 grams, and having a thickness right in the 14 mm range, the 935 is no bulkier than other options with the same functionality.  People who say “Garmins are bulky” are probably thinking of the watches made 3-5 years ago, which were thick and indeed a bit of an anchor.  The 900 series is a major step forward in sleekness from the Garmins we all used to wear.

Features

Any triathlon watch should be able to track your runs, rides, and swims accurately.  The 920 goes above and beyond and truly becomes a training buddy. It can monitor your average speed, heart rate, and regular alerts to keep your speed up, including predictions on what your finishing pace and time will be (something we don’t always use — it can be unnerving). It is also an excellent steps tracker and is smart enough to tell you how much fitter you are getting with time. In the water, it is a reliable partner in swimming with a very delicate GPS tracker, SWOLF tracker, and a length tracker. The length tracker helps you to calculate the number of times you have reached for each stroke in the water — something that can allow you to determine if your stroke is becoming more powerful and efficient over time. The SWOLF tracker helps to calculate the strokes each length is taking.

We like the battery life.  As we were using the 935, we could consistently get many workouts in without a charge, and it was reliable during our multi-hour brick training sessions.  That is key — a watch that needs to be charged all the time is not feasible for the typical triathlete.

All Garmin products now come with Garmin Connect, the interactive app that allows you to track workouts and share with other users.  This is a nice feature if you have training partners who also use it — but for most people, more universal apps like Strava fit better, and are compatible with all kinds of devices.  We like Garmin Connect, but it is not a reason we would choose a Garmin.

One of our favorite features, though, is a calculator on how much rest time you should have based on your most recent workout — and if we have learned one thing, it is that most triathletes underestimate the importance of rest.  Incorporating a rest feature into the watch shows that Garmin truly understands the finer points of training.

2.  Tom Tom Multisport Adventurer

Find here.

Tom Tom, as a company, entered the sports market relatively recently when compared to Garmin and other brands.  They began making GPS devices for automative navigation, and are the trusted partner of companies such as Apple and Uber.  It is a solid watch, with plenty of features for the typical triathlete, runner, or cyclist.  The greatest feature of TomTom Adventurer is its innovative design and one-button usability. It can track all the three modes in a triathlon with simplicity. As tom tom triathlon watchcompared to the other sports watches, TomTom Multisport is less expensive, but may lack some of the accuracy in swimming mode.  This is a device that is really built for the bike and run legs.

Design

The watch is designed to ensure comfort and performance at the same time. It has a large LCD with a single-button menu system. The screen is among the largest we have seen on the multisport market, but it is designed in a way that is not obtrusive.  The watch comes in a gray and dark pink color.

Features

With the one-button control system, it becomes relatively easier to operate the watch as you don’t need to remember what button does what. Some watches are more complicated, not something you want when you are fatigue or quickly switching between sports.  The button acts as a D-pad, and you can operate the watch by simply scrolling within the menu. This watch is aimed at tracking your abilities during swimming, cycling, and running. It can work as a pedometer, calorie tracker, distance calculator, GPS-system, and stroke detection.  The swimming mode is useful for lap pool swims, but not ideal if your main swimming is done in open water.

Note that Tom Tom appears to be discontinuing at least part of the Multisport line going forward, but they can still be found on Amazon, and we think highly enough of the watch to keep it on our list.

3.  Polar Vantage V Watch

Find here.

polar vantage v multi sport watch

Polar Vantage

The Vantage V is in a new class of fitness wearables combined with simplicity and high performance of expensive watches in a single device. It is surprisingly functional and a great option for a triathlete who is willing to spend a few bucks on a good, accurate, and multi-functional watch. The professional triathlon racers will like the sleek design and the excellent waterproofing.  It is a watch that can perform well in all three modes of triathlon.

If you want to save a few bucks, the Polar Vantage M (here) has the same design, but foregoes the run power meter, recovery tracking capability, and includes a battery with 30 hours of life (instead of 40).  Otherwise, for most workouts, it will be similar.

Design

Unlike the bulky triathlon watches, the Vantage is sleek, and we like that they broke away from the square or rectangular design that has dominated the market for years.  Theirs is a sleek round design, evoking memories of a more traditional wristwatch. Being less obtrusive than the other GPS-tracking watches, it looks perfect even on the skinnier wrists. The buttons are smartly placed so that you can operate the watch without any stress, and it should become second nature to you after a few good workouts.

The V model weighs in above 60 grams, about 50% more than the M model, due to the power functionality.  It is not really any larger on the wrist, though, and the 20 grams of additional weight really are not noticeable in our opinion, due to the smart design of the watch.

When not in use during your workouts or recoveries, the Vantage doubles as a good-looking wristwatch with a regular (digitally created) watch face.  That is a nice touch for folks who only want to own one watch.  It has an impressive 2 weeks of battery life when in this smart watch mode.

Features

The Vantage is a perfect workout companion that functions as an activity tracker, precision monitor and fitness band. The watch has different modes depending on the activity you are performing, and while Polars used to be known for excelling on the run leg, we are pleased at the Vantage’s performance in all three sports. You can choose from “Aqua fitness” to “Yoga” and even “Classic skiing.”  The waterproofing appears to work very well.

We like the built-in wrist heart rate monitor, and are big fans of the running power meter.  That, and the “recovery mode” feature are the main things that separate the V model from the M.  We have not looked in to the engineering on exactly how they accomplish it, but it is impressive nonetheless.  One feature we like is the option of free training plans to be download to the watch, making it a true workout buddy.

The Vantage V is probably the sleekest watch on our list.  It is great to see Polar up their multisport game.

4. Garmin Fenix 5

Find Here.

Garmin Fenix 5 triathlon

Garmin Fenix 5

Garmin’s Fenix 5 watch is an outstanding multisport watch — if you have the budget for it.  Topping the price of the next closest watch on this list (the Polar) by a good $200, the Fenix 5 better deliver for that price tag, and it does.  If you are one of those cyclists, runners or triathletes who doesn’t mind making an investment in high-end gear, this might be the watch for you.  Made by Garmin, one of our favorite makers in the market, a brand whose wearables we have been using for well over a decade.

Design

While the $700+ price tag might seem excessive, look at it this way:  This is a beautiful watch.  It is more than just a watch you might wear on a run or during a race.  This is a watch you may find yourself wearing every day, all day, the way that others wear the Apple Watch.  We like the size, the design of the watch face, and the color options that make it elegant for a night out.  When you start to look at it that way, the price becomes something on par with a nice watch you may buy in a department store.  The brush stainless steel case looks more like something you would wear to work than the Garmins of old that were bulky and built-for-workouts-only.

The thickness, at .6 inches, is perhaps a little thicker than the Polar (.5″) but the design of the watch still makes it feel nice on the wrist.

Features

The Fenix 5 has a lineup of features that rival or surpass any of the other watches on this list.  To start, it can handle all three sports with ease — including being able to go 100 meters under water (as if anyone ever needed that capability).  The watch includes a recovery advising feature which can allow you to monitor your non-workout time and activity, as well as the VO2 monitor.  We like the running features in particular, including the ability to measure stride length and lactate threshold.

The watch has a swim lap counter, a nice feature allowing an athlete to not have to count laps in their head.  It also includes all the features of a tracker, including daily steps and other metrics.  When you appreciate the fact that this is really your dress-up watch, fitness tracker, and workout watch in one, the price tags gradually becomes more digestible.

Many pre-loaded trackers and routines allow the watch to be used in many different settings.  It even has settings for golf and skiing.

If you have the budget, and one a high-performing watch that really is several watches in one, give the Fenix 5 a serious look.

 

5.  Fitbit Flex 2

Find here.

Fitbit Flex watch for triathlon

Fitbits are not often considered in the same league as Garmins and other sport-specific watches when it comes to multisport training, but the Flex 2 is worth a look.  Despite having no display and heart tracking, Fitbit Flex 2 is worth the compromise for many, and comes at a significantly lower price. Thanks to its band-like design and effectiveness even in the water, it is a basic tracker that multisport athletes can use for all three sports. It has a long battery life and sleeker design with the ability to track your all the activities and sleep. It is connected to your phone and shows all the activities through an application.

With the strong brand of Fitbit, and the likelihood of the Fitbit lineup growing in the future, it is intriguing for triathletes to think about building their training database on the Fitbit platform.  If you simply need something that can track your time and distance in the water, on the bike, and during the run, the Flex 2 fits that bill.

A very important distinction, though, is that the Flex 2 is not meant to be used to glance at your speeds and mileage within a workout — and that is exactly what many triathletes need.  Instead, it is a great tool for looking back at your workouts over time and understanding how your training has been trending.  It is also not going to be compatible with most power meters, if that is important to you.

Non-Swim Multisport Options

The devices listed above are all listed because of their ability to handle all three swims in a triathlon – the swim, the bike, and of course the run. It is always a bit of a debate on if it is necessary to use your watch on the swims, or simply save it for the bike and run.  It depends on how serious of a swimmer you intend to be, and how much open water swimming you plan to do (we find GPS watches of limited value in a pool).

If you are willing to not wear a watch in the swim and only track your cycling and running performance, your options open up considerably.  If you are not taking them in water, you can consider several more Garmin and Fitbit models, including the Fitbit Blaze workout watch.

Compatibility with Triathlon and Cycling Training Apps

Most watches are now more than just wearables — they also are compatible with some of the better training and fitness apps on the market.  That is important if you want to integrate all of your workout information into one, consolidated log.

Major manufacturers have their own platforms for tracking and planning your training, including Garmin Connect, Polar Beat, and Fitbit’s popular Fitbit Dashboard.  All will help you analyze your workouts, keep track of what you did and when, and help you share the information with others.

Some of the other apps to keep in mind that could be useful include:

  • Strava – the popular cycling and running workout tracker and community.  All of the watches recommended above demonstrate some level of compatibility with Strava.  We are huge fans of Strava, mainly because so many people are using it.  It is the network effect.
  • Smart Cycling Trainers The advent of smart bike trainers  has brought a sophistication to indoor cycling that did not exist before.  Many third-party apps, such as the one from Zwift, are able to sync with your Garmin, Polar, and other watch data for a complete analysis of your training.
  • Other Run Apps — Apps like Runkeeper and Runtastic are generally compatible with the data from your watch.  However, these apps are really meant to be used on your phone.

Other Alternatives to a Triathlon Watch

We love a good triathlon watch because it can be so all-purpose, but there are some other good alternatives, too.  It really comes down to your style and personal preference for your rides.  Here are two options we see lots of triathlons go with instead of a watch.

A bike computer can be a nice option for cycling-first triathletes because it allows you to always know that you are going to have your stats on the bike, in a way that is conveniently mounted on your cycle.  These bike computers have come a long way in recent years, and are now often GPS units, and very compatible with Strava and other smart phone features.  The downside, of course, is that you are not going to use a bike computer on your run or swim.

Many triathletes simply use their smart phone while training, where you can download a plethora of apps to help track your mileage, distance, and speed, such as the Nike+ app or Strava (we suggest Strava).  This can be a good option, but you can’t use it in the swim, and you are not going to have the same battery life that you would in the typical training watch or bike computer.

 

Final Thoughts on Tri Watches

The choice of a triathlon or multisport watch depends on your usage. If you are a professional, elite, or aspiring elite triathlete, or you just like knowing that you have the best gear out there, you should go with Forerunner 935. It has all the necessary features to help you during your training. For all the fitness enthusiasts not willing to spend quite as much, the other three watches are definitely good enough to provide training precision and some motivation on your runs, bikes, and swims.  We have to say, though that the Polar Vantage is coming on strong with their latest round of enhancements.

Some may ask the question, “why not just use your phone as a tracker?”  We prefer a watch for a few reasons.  First, it is built-for-purpose, and fits naturally on your wrist during even the hardest workouts.  Second, the right watch can be used on your swims — you would never do that with a phone.  Third, the battery life on a tri watch is far superior to that of your typical phone — a factor on your longer workouts or when starting out with less than a full charge.  Finally, a watch will excel in poor weather — cold winter runs, or a rainy bike ride — when a phone might underperform or even get quite damaged.

This technology is changing so fast, though, and the peripherals you can use with the watches are in such rapid advancement, that we would consider this a ~2 year investment, and at that time you will probably be looking to upgrade.

We will be happy to hear your thoughts

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