Through a combination of training, better regimen and technology ... shows the progression of gold medalists' times for the 100-meter sprint since 1896. Use the zoom controls at the top right ...

Yoshihide Kiryu in 2017 broke that mark and became the first Japanese sprinter to run 100 meters in under 10 seconds ... and has formed a basis of their training.

The 13 subjects on average finished the 100-meter sprint in 11.40 seconds after taking the placebo. But their times averaged 11.26 seconds after ingesting the caffeine, down 0.14 second ...

Dipping, it turns out, is one of the few things he doesn’t work on over and over again at his training ... 100 meters and, with it, a chance at track immortality. The practice was tough for a ...