Marathon Carb Loading Calculator
Get a personalized carb loading plan for up to 20% performance improvement on race day.
Science-based protocol tailored to your weight, training, and race goals.
Marathon Carb Loading Calculator
Our modern carb loading protocol uses a training taper plus strategic carbohydrate increase—no depletion phase required. Enter your details below to generate a personalized plan.
Evidence-Based Protocol
Follows Burke et al. (2011) research: A strategic taper combined with a high carbohydrate intake phase is proven for optimal glycogen storage.
Full Training Integration
Get a complete marathon training plan that includes nutrition timing, carb loading, and race day fueling strategies.
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