Free tool

Pace calculator

Convert pace, time and distance, plan race-day splits, get training paces from a real result, and work out your heart-rate zones. Works right here, no account needed, and nothing you type is saved or sent anywhere.

Solve for
Units
mi
Your Pace
--:--
Speed --
Distance --
Time --
Finish times at this pace
Based on
bpm

Don't know it? After a warm-up, run 30 minutes hard on your own. Your average heart rate over the last 20 minutes is close to your threshold.

Want training built around these paces?

Tell me your goal and I'll build the plan, check in every week and adjust it as you go.

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Also free: the fueling calculator and the soccer Playbook.