Don't bonk.
Race with precision fuel.
Personalized carb, hydration, sodium, and caffeine strategies calculated from your body, your sweat, and your race. Science-backed plans so you never hit the wall.
Running
Marathon and half-marathon fueling strategies with precise per-kilometer nutrition timing.
Cycling
Optimized for on-bike nutrition with higher carb throughput and electrolyte management for long rides.
Triathlon
Multi-discipline nutrition plans with transition-aware fueling across swim, bike, and run legs.
Trail & Ultra
Extended-effort nutrition with aid station strategy and altitude-adjusted hydration planning.
How it works
Three steps to a race-ready nutrition plan, personalized to your physiology and goals.
Build your profile
Enter your body weight, experience level, and known sweat rate. We use this to personalize every calculation.
Set up your race
Choose your sport, distance, goal time, and expected conditions. The engine adapts to each discipline.
Get your plan
Receive precise carb, fluid, sodium, and caffeine targets with AI-powered explanations for every recommendation.
Ready to never bonk again?
Join endurance athletes who race with confidence knowing their fuel plan is dialed to the gram.