Completing a triathlon — typically a swim/bike/run event — is quite the accomplishment, and training for one can take months of work. But going for peak performance could be a little more efficient with the right technology on your side.

Whether you’re looking for a virtual coach, customized workouts, or the peer support and motivation that group training provides, there’s an app for that. In choosing the year’s best triathlon apps for iPhone and Android devices, we looked for amazing content, reliability, and stellar user reviews. Here’s what we found.

triathalon apps

iPhone rating: 5 stars

Android rating: 5 stars

Price: Free with optional in-app purchases

TrainingPeaks was designed to guide beginner to elite triathletes all the way to their personal goals. Not only is it compatible with more than 100 apps and devices for easy syncing, it monitors all aspects of your training. You can access workouts on the go, track your progress with charts and graphs, monitor training stats, and add important metrics. You can also view time spent in training zones for things like power, heart rate, and pace for every workout you complete.

triathalon apps

iPhone rating: 5 stars

Android rating: 4 stars

Price: Free with optional in-app purchases

The ASICS Runkeeper app makes it easy to find motivation to move. Set measurable goals and watch yourself progress along the way. Choose a motivating voice to relay your pace, distance, and time, and create personalized plans to get you moving. Join in-app challenges and virtual running groups for extra motivation, and check out your stats whenever you want to feel the rush of accomplishment.

iPhone rating: 5 stars

Android rating: 4 stars

Price: Free with optional in-app purchases

Strava turns your smartphone into a sophisticated tracker. Monitor and analyze your personal stats, access the world’s largest trail network to keep your training fresh, and find motivation with the app’s monthly challenges. A segment leaderboard makes it easy to see how you stack up to others on popular stretches of road and trail, and the app community includes clubs of different brands and teams you can join.

iPhone rating: 4 stars

Android rating: 4 stars

Price: Free

If you have the training under control and you’re ready for the event, the Active app is ideal. Find and register for local events and activities by filtering by type, location, and date. Read articles and reviews about different events and activities, or save them for later viewing. Find maps and driving directions to local events, and get special deals from Active GearUp. Use the app to find 5k and 10k races, half and full marathons, cycling and bike races, triathlons, mud runs, sports, and other activities.

iPhone rating: 4 stars

Android rating: 4 stars

Price: Free

Designed as a one-stop source for health and fitness data, this is a handy app whether you’re training for a race or tracking your daily steps. Pair it with a compatible Garmin device to create workouts, build courses, and challenge friends to a little friendly competition. Check out the My Day page for a snapshot of your day’s health data, analyze activities and their related statistics, and review personal records.

iPhone rating: 5 stars

Android rating: 5 stars

Price: Free

Boost the biking portion of your triathlon with TrainerRoad, an app with science-backed training. The app’s indoor workouts are based on power and calibrated to the user’s personal fitness level. You’ll find training plans that guide you step by step, plus a huge library of structured workouts. Check out performance data while you train, or head to the Career page to see your overall progress and individual ride stats.

If you want to nominate an app for this list, email us at nominations@healthline.com.


Jessica Timmons has been a writer and editor for more than 10 years. She writes, edits, and consults for a great group of steady and growing clients as a work-at-home mom of four, squeezing in a side gig as a fitness co-director for a martial arts academy.