Pace calculator

Pace, time & distance

Fill in any two and the third is worked out instantly.

At this pace

What you'd run at common race distances holding the same pace.

Race time predictor

Enter a recent race result and see what you could run at other distances.

Uses Pete Riegel's formula (time × (new distance ÷ old distance)^1.06), the standard method most running calculators use. It assumes you've trained for the distance. Predictions far from your race distance, especially the marathon from a short race, tend to be optimistic.

Triathlon finish time

Pick a race, enter your pace for each leg and transitions, and see your total.