Calculator
Running Pace Calculator
Calculate your running pace, finish time, or distance. Predict race times and discover training pace zones.
🏃Calculate
Units:
= 5.00 km
hms
🔮Race Time Predictor
Enter a known race result to predict other distances (Riegel formula).
:
5K
25:005:00/km · 8:03/mi
10K
52:075:13/km · 8:23/mi
Half Marathon
1:55:005:27/km · 8:46/mi
Marathon
3:59:475:41/km · 9:09/mi
📊Result
Your Pace
8:03
per mile
5:00 / km
Distance
3.11 mi
Finish Time
25:00
🏋️Training Pace Zones
Easy
10:44–12:23/mi
6:40–7:42/km
Conversational pace, aerobic base
Tempo
8:45–9:28/mi
5:26–5:53/km
Comfortably hard, lactate threshold
Interval
8:03–8:28/mi
5:00–5:16/km
Very hard, VO2max training
Zones calculated from your race pace (% of race effort).
📏Common Race Distances
1 Mile
1.60934 km
1 mi
5K
5 km
3.107 mi
10K
10 km
6.214 mi
Half Marathon
21.0975 km
13.109 mi
Marathon
42.195 km
26.219 mi