Free Tool
Running Pace Calculator
Calculate your race pace from finish time, or estimate your finish time from target pace
Time to Pace
Enter your distance and finish time to calculate average pace
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Pace to Time
Enter your distance and target pace to estimate finish time
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📋 Common Race Distances & Conversions
- 5K: 5 km / 3.107 miles
- 10K: 10 km / 6.214 miles
- Half Marathon: 21.097 km / 13.1 miles
- Marathon: 42.195 km / 26.2 miles
- Convert km→mi: km × 0.621371 = miles
- Convert mi→km: miles × 1.60934 = km