Theron Triathlon Training Plan
Ironman, 70.3 & Sprint Coach
About
This app creates personalized triathlon training plans that adapt to your recovery and schedule, syncing directly to your Apple Watch or Garmin. It uses your health data to adjust workout intensity, ensuring you train effectively and avoid overtraining.
What's New in Theron Triathlon Training Plan
1.0.27
August 21, 2026
What's new in Theron: • Theron's Take — daily AI coaching on Today: recovery look-back, guidance for today's workout, and a look ahead • AI workout summary & score — after each session, see how it went and what it means for your plan • Train in your language — English, German, French, Spanish, Portuguese (Brazil), and Dutch • Stronger strength sessions — expanded templates and equipment-aware workouts in your plan • Grade-adjusted pace — fairer run analysis that accounts for hills • Bigger race finder — more countries and franchises to plan your next start Plus smarter workout matching from Garmin, Strava, and Apple Health, clearer recovery & training-load explainers, faster FTP from your history, and a smoother COROS connection.
MoreSubscription plans
Monthly
Theron Unlimited Monthly Subscription
FAQ
What is Theron?
Theron is a triathlon training app that creates personalized, adaptive training plans. It syncs with your Apple Watch or Garmin device and uses your health data to adjust workouts based on your recovery and readiness.
How does Theron adapt training plans?
Theron analyzes your Apple Health data, including HRV, sleep, and activity, to dynamically adjust workout intensity and duration. If you're fatigued, it provides an easier session to prevent overtraining.
Can Theron export workouts to my watch?
Yes, Theron offers one-tap export for your swim, bike, and run workouts directly to your Apple Watch or Garmin device. You can also follow live guided workouts on your wrist.
What triathlon distances does Theron support?
Theron supports all triathlon distances, including Sprint, Olympic, Half-Marathon, Marathon, 70.3, and Full Ironman. It provides structure for beginners and experienced athletes alike.
Is Theron free to use?
Theron offers a free 30-day trial for personalized, adaptive coaching. After the trial, subscription plans are available, with monthly and yearly options.
What are the subscription costs for Theron?
Theron offers a monthly subscription for $6.99 and a yearly subscription for $69.99. These plans provide access to its full suite of adaptive training features.
Does Theron have ads?
No, Theron does not contain advertisements. The app focuses on providing a seamless training experience without interruptions.
What devices is Theron compatible with?
Theron is designed for Apple Watch and Garmin devices, and it integrates with Apple Health. It is available on iPhone and iPad.