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Calcimator

Ultra Endurance Nutrition Calculator

Calorie and electrolyte plan for events over 12 hours.

Inputs

Results

Total calories needed

10,710

Carbs/hour (g)70
Total carbs (g)1,260
Fat fuel (g)630
Fluid/hour (mL)650
Total fluid (L)11.7
Sodium/hour (mg)540
Total sodium (mg)9,720
Caffeine/dose (mg)56
Calories/feeding249
How to Use This Calculator
  1. Enter Body weight (kg), Event duration (hrs), and Intensity.
  2. Set Easy / hiking pace, Light endurance, and Steady endurance.
  3. Adjust Hard tempo, Race pace as needed.
  4. Review the Total calories needed result.
  5. Use Carbs/hour (g) and Total carbs (g) to inform your decision.
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