Tyson Gay, center, leads Isiah Young, left, and Wallace Spearmon, right, during the senior men's 200-meter dash finals at the U.S. Championships athletics meet on Sunday, June 23, 2013, in Des Moines, Iowa. Gay won the race. (AP Photo/Charlie Neibergall)

Photo by: Charlie Neibergall

Tyson Gay, center, leads Isiah Young, left, and Wallace Spearmon, right, during the senior men's 200-meter dash finals at the U.S. Championships athletics meet on Sunday, June 23, 2013, in Des Moines, Iowa. Gay won the race. (AP Photo/Charlie Neibergall)