Tyson Gay unofficially breaks the world record back in 2007 set multiple times by Asafa Powell with a time of 9.76 seconds at the Reebok Grand Prix at 9:05 PM 6/2/07. Unfortunately the tailwind was .2 m/s over the allowable 2 m/s and the time is not official.

1 Tyson Gay USA 9.76 RT: 0.162
2 Derrick Atkins BAH 9.83 RT: 0.160
3 Shawn Crawford USA 9.96 RT: 0.172
4 Dwight Thomas JAM 10.08 RT: 0.163
5 Leonard Scott USA 10.10 RT: 0.142
6 Steve Mullings JAM 10.15 RT: 0.185
7 Blanton Dabryan USA 10.16 RT: 0.161
8 Dwight Phillips USA 10.25 RT: 0.154
9 Trell Kimmons USA 10.25 RT: 0.150