In 2008, Usain Bolt set the world record for the 100 meters with one shoelace untied.

In 2008, Usain Bolt set the world record for the 100 meters with one shoelace untied.

Bolt’s time of 9.69 at the 2008 Beijing Olympics was not only a world record, but also the first time the 100-meter dash had been run in under 9.7 seconds.

Source