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Nutrition & Hydration Calculator
Personalised fueling and hydration targets for training and racing.
Racing
— Race day fueling & hydration
Training
— 8-week progressive plan
Body Weight (kg)
Race / Target Distance
5km
10km
Half Marathon
Marathon
50km Ultra
100km Ultra
100 Mile Ultra
Goal Time
(hours:minutes, e.g. 3:45)
Race Day Conditions
Cool (under 15°C)
Moderate (15–25°C)
Hot (25°C+)
How much do you sweat?
Light
Rarely dripping
Moderate
Damp but not soaked
Heavy
Soaked, salty skin
Calculate My Plan