# Theron Triathlon Training Plan — Ironman, 70.3 & Sprint Coach > Adaptive triathlon training plans syncing to smartwatches, using health data for personalized adjustments. (iPhone/iPad app by Jele T Dekker.) - Source: https://appshunter.io/ios/app/theron-triathlon-training-plan/id6755305211 (this page in markdown: same URL + `.md`) - Developer: [Jele T Dekker](https://appshunter.io/developer/1760225631) - Category: Health & Fitness, Sports - Price: Free with in-app purchases - Rating: 4.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 211 MB - Languages: American English, Dutch, French (France), German (Germany), Italian, European Portuguese, European Spanish - Released: 2025-12-03 - Data updated: 2026-08-22 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/theron-triathlon-training-plan/id6755305211/reviews.md ## What is Theron Triathlon Training Plan? The Triathlon app designed to live on your Apple Watch and Garmin. Tired of messy PDFs and complicated spreadsheets? Theron is your AI-powered triathlon coach, building a structured, pro-level training plan that automatically syncs to your watch. Whether it's your first Sprint or your tenth Ironman, Theron adapts to your life, your sleep, and your recovery. Designed specifically for Apple Watch, Garmin, and Apple Health users, Theron is the smartest way for beginner triathletes to reach their full potential without the risk of overtraining or injury. The Power of Scientific, Adaptive Training Theron's proprietary algorithm doesn't just look at yesterday's ride. It analyzes the complete picture, including your health markers, sleep quality, training readiness, and long-term progress toward your race goal. Intelligent Readiness: We use your Apple Health data (HRV, Sleep, Activity) to dynamically adjust today's intensity or duration. If you're fatigued, Theron gives you an easier session. Scientific Foundation: Training protocols are based on peer-reviewed sports science to ensure optimal periodization and peaking for your target race. Dynamic Plan Adjustments: Missed a swim? Your plan immediately restructures your weekly schedule to ensure you stay on track without double-counting or unnecessary stress. Find Your Race, Build Your Plan Search our race catalog by franchise (Ironman, T100, Challenge, Xterra and more), discipline (Sprint, Olympic, 70.3, T100, or Full Distance), and continent, or add any custom race. Theron builds a fully periodized plan, base, build, peak, and taper, that peaks you exactly on race day. Your Training Tracker, Built In Theron Score benchmarks your swim, bike, and run fitness out of 100, and your Readiness chart tracks fitness, fatigue, and form over time so you always know whether to push or rest. Seamless Integration We make training on your Garmin device or Apple Watch effortless. Theron also syncs with Strava, Zwift and Wahoo, so your data stays connected wherever you train. One-Tap Export: Export your entire structured workout (Swim, Bike, Run, or Brick) directly to Apple Watch, Garmin, Wahoo, or Zwift with a single tap. Live Guided Workouts: Follow on-screen instructions and zones directly on your wrist, tracking every metric via Apple Health, Garmin, Coros, or Strava. Perfect for Every Triathlete (Especially Beginners!) Whether you're tackling your first Sprint or aiming for an Ironman, Theron provides the structure you need. Our intuitive interface and clear guidance make it the perfect solution for new triathletes looking to level up. Theron supports all distances: Sprint, Olympic, Half-Marathon, Marathon, 70.3, and Full Ironman. Start your journey with Theron and get your first 30 days of personalized, adaptive coaching absolutely free! Discover the smarter way to train using your Apple Watch, Garmin, Coros, Wahoo, or Strava data. No risk, just results. Terms of Use (EULA): https://theron.app/terms/ ## Key features - Dynamic, adaptive training plans - Syncs with Apple Watch and Garmin - Integrates with Apple Health data - Live guided workouts on wrist - Supports all triathlon distances - Intelligent readiness assessment ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly | $6.99 | per month | | Yearly | $69.99 | per year | ## Frequently asked questions about Theron Triathlon Training Plan ### 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. ## Version history (last 5 releases) ### 1.0.27 — 2026-08-21 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. ### 1.0.26 — 2026-08-08 • New languages - Theron is now available in German, French, Spanish, Portuguese, and Italian • More accurate GAP - Smoother grade charts and a corrected flat-equivalent pace on completed runs • Smarter FTP recognition - Better threshold suggestions from real workouts • Bug fixes and improvements ### 1.0.25 — 2026-07-19 • Theron's Take: daily AI coaching on your Today screen—a look back at recovery, guidance for today's session, and a heads-up on what's next. • AI workout summary & score: after each workout, get an instant summary and score so you know exactly how it went. • Redesigned training load view: see how your acute and chronic load build over time and what's driving today's status. • Richer recovery data for a clearer picture of how ready you are to train. • Weekly availability presets: save and reuse your training-time patterns. • Password reset from the login screen. • Faster launch, background syncing, and various bug fixes. ### 10.0.24 — 2026-07-14 • Strength scheduling improvements - sessions fit more reliably around your run and ride plan • Strength preference customizations - adjust equipment, focus areas, and session frequency in Preferences • Daily availability bug fixes - days saving correctly and routine overrides applying as expected • Authentication bug fixes - improved sign-in reliability, session expiry, and account linking • Training load & recovery calibration - more accurate readiness after hard blocks and rest days • Morning check-ins off by default - enable anytime under Preferences → Notifications ### 1.0.23 — 2026-07-03 Bug fixes ## Related topics [theron triathlon training plan](https://appshunter.io/ios/topics/theron-triathlon-training-plan) · [triathlon training planner](https://appshunter.io/ios/topics/triathlon-training-planner) · [triathlon training free](https://appshunter.io/ios/topics/triathlon-training-free) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*