The men's 100m quarterfinals on Saturday brought an American record, Olympic Trials record, Hayward Field record, American junior record, American high school record and a tie of the world junior record.
Tyson Gay's 9.77 brokeMaurice Greene's American record of 9.79 set in Athens in 1999, as well as Greene's Olympic Trials record of 9.91 from 2004 and Shawn Crawford's Hayward Field record of 9.88, set in 2004.
Crossing the finish after Gay was high schooler Jeff Demps of Okahumpka, Florida, who crushed two records and tied a third with his time of 10.01. It broke Walter Dix's American junior record of 10.06 from 2005 as well as J-Mee Samuels' national high school record of 10.08, also from 2005. He tied the world junior record of 10.01, held since 2003 by Darrel Brown of Trinidad & Tobago.
In the second heat, Travis Padgett of Clemson broke Ato Boldon's collegiate record, running 9.89 to shave .01 off Boldon's mark from 1996.
All told, seven men ran 9.99 or faster, all wind-legal.