Marathon Time Calculator
Plan your marathon with target times, paces, and training recommendations
Target Marathon Time
Target Pace
4:59 /km
8:01 /mile
Race Splits
5K Split24:53
10K Split49:46
Half Marathon1:45:00
Training Paces
Easy Run6:13 /km
Long Run5:43 /km
Tempo4:44 /km
Intervals4:14 /km
Predicted Finish
3:59:47
Based on your recent race performance using Riegel formula
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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.