Practical utilities for sprint planning, pacing, reaction practice, race-day preparation, and interval timing.
100m Splits Calculator
Split times include standard reaction time.
100m Wind Adjustment Estimator
Estimate how a tailwind or headwind may have affected a 100m performance.
Positive wind is a tailwind. Negative wind is a headwind.
This is an approximation for training and comparison purposes. Official results remain the recorded time and wind reading.
Reaction Time Test
Hold down the button. When you hear the gunshot sound, release it as fast as you can.
Race Day Soundscapes
Get used to the sounds of busy track environments and crowds on race day by immersing yourself in soundscapes. It can help make the race day environment seem less overwhelming sensory-wise.
Sound Playlist
Interval Alert Tool
Choose an interval and number of repeats, then press Play. An audio alert will sound at each interval.