Sodium, Hydration and Carbohydrates Assessment

Take our 5-minute quiz to determine your approximate sodium, hydration and carbohydrate needs for your next race/event.

RaceFuelPlanner was created by Angela Naeth — three-time sub-9-hour IRONMAN champion. This quick assessment uses the same sodium, fluid and carbohydrate logic as the full planner. Who created RaceFuelPlanner, and how it calculates its numbers