Running Pace Calculator
Free online running pace calculator. Calculate pace, finish time and distance for any race. Supports 5K, 10K, half marathon and marathon distances.
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Calculate Your Running Pace
Format: HH:MM:SS
Race Finish Time Predictions
5K
5.00 km
--:--
10K
10.00 km
--:--
Half Marathon
21.10 km
--:--
Marathon
42.20 km
--:--
5K Splits
Training Zones
Easy Pace (Recovery)
--:--/km
Long runs, base building (60-70% max HR)
Tempo Pace
--:--/km
Aerobic threshold work (80-90% max HR)
Interval Pace (VO2 Max)
--:--/km
Vo2 max work (90-100% max HR)
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Understanding Running Pace
Running pace is the time it takes you to run a certain distance. It's typically expressed as minutes and seconds per kilometer (or per mile). Knowing your pace helps you train effectively and set realistic race goals.
How to Calculate Running Pace
Pace is calculated by dividing the total time by the total distance. For example, if you run 10 kilometers in 1 hour, your pace is 6 minutes per kilometer.
Training Zones Explained
- Easy Pace (Recovery): 60-70% of max heart rate. Used for building aerobic base and recovery runs.
- Tempo Pace: 80-90% of max heart rate. Develops lactate threshold and sustainable pace.
- Interval Pace: 90-100% of max heart rate. VO2 max workouts for speed and power.
Race Prediction Accuracy
Race predictions are based on current fitness and assume consistent effort. Actual results vary based on course terrain, weather, and race-day conditions. Use these as estimates for training planning.