MiRitmo New Zealand

Free tools for runners and track athletes

Calculate pace, race times, track splits and training speeds. Free, no sign-up required.

Pace calculator

Pace, speed, race time and automatic track splits.

Predict your times from 800 m to the marathon using one result.

Convert min/km, min/mile, km/h, mph and 400 m lap times.

Easy, marathon, threshold, VO2max and repetition paces from one race.

Build a split plan for any distance, even, positive or negative.

Laps, lane distances and time per lap on a 400 m track.

Target time, 200 m splits and required lap pace for the 800.

Lap targets, 300 m opener and equivalents for the metric mile.