TrainCurve

TrainCurve is the endurance training platform for cyclists, runners, and triathletes who want the training-load math their coach uses — without per-token AI fees. TRAINING LOAD, DONE RIGHT • CTL / ATL / TSB (Fitness, Fatigue, Form) built on the proven Banister 1965 impulse-response model • See how today's session moves your fitness and freshness • Plan races around your form curve RECOVERY AND STRESS, EVERY MORNING • Wake up to your recovery score, stress level, sleep and strain budget • Stress is read from your overnight HRV and resting heart rate against your own 30-day baseline • Arrives when you actually wake up, not at a fixed time BRING YOUR OWN AI COACH • Connect the AI you already pay for (ChatGPT Plus, Gemini, and more) — no extra subscription, no per-token charges • Get workout analysis, weekly plans, and race strategy grounded in your real data YOUR DATA, YOUR RULES • Reads workouts from Apple Health to compute your load automatically • EU-hosted, GDPR by design • Open source (AGPLv3) Free forever for your first 100 workouts. No credit card required. Terms of Use (EULA): https://traincurve.com/terms Privacy Policy: https://traincurve.com/privacy