Ultra Marathon Calculator
Plan your ultra marathon with pacing, nutrition, and aid station timing
Race Details
Estimated Finish
16:35
100.0 km / 62.1 mi
Pacing
Average Pace9.3 min/km
First Half Pace8.3 min/km
Second Half Pace10.2 min/km
Elevation Time Add+30 min
Checkpoint Splits
25% (25 km)4:08
50% (50 km)8:17
75% (75 km)12:26
Nutrition Plan
4149
Total Calories
250
Cal/Hour
8L
Total Fluid
8
Aid Stations
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.