Usain Bolt overestimated his speed at the peak of his sprinting power.
Bolt predicted he would win the 2009 World Championships 100m in 9.52 seconds, he said in an Instagram chat with retired British hurdler Colin Jackson on Thursday. Of course, Bolt won that race in Berlin in 9.58 seconds, a world record that still stands today.
Bolt said he predicted his time before the final in a bet with his coach, Glen Mills, and a man named Eddie (likely his longtime masseur, Everald Edwards). Bolt chose 9.