Mumbai Marathon Coastal Climate Fueling & Hydration Plan

Hourly fluid, sodium, and carbohydrate calculators designed for coastal humidity, elevated dew points, and Indian endurance nutrition staples.

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Mumbai's high humidity requires aggressive fluid and sodium balance to avoid hyponatremia and thermal cardiac drift.

Sodium Target: 450–700mg of elemental sodium per hour.
Carbohydrate Target: 45–60g carbs/hour using a mix of maltodextrin gels and whole foods (bananas, dates).
Fluid Intake: 500–750ml water/electrolyte fluid per hour based on baseline sweat-rate test results.