Jamaica
Noah Lyles beat Kishane Thompson at the 2024 Olympic Games in Paris.
Bolt's world record of 9.58 is still nowhere close to being broken - but the man himself thinks one sprinter could do it.
An 'average man' was put up against the three fastest women - Florence Griffith Joyner, Elaine Thompson-Herah and Shelly-Ann Fraser-Pryce.
Bolt's clip has certainly got fans - and Olympic gold medalist Justin Gatlin - talking.