The American 100 specialist streaked clear early and ran the straight track in steady rain in 14.51 seconds - 0.16 slower than the mark set by Bolt at the same event in 2009.

Gay covered the last 100 meters in just 8.88.

“I don't know what that equates to but I'm glad it's pretty fast,” Gay said.

American sprinter Darvis Patton finished second in 14.98, with British pair Marlon Devonish and Christian Malcolm rounding out the four-man field.

“The conditions probably set the time back and it could have been a lot quicker,” said Devonish, admiring training mate Gay's performance.

Gay said his next Diamond League appearance would be in New York, adding that he could race Bolt before the Aug.

27-Sept. 4 World Championships in Daegu, South Korea.

“It's a definite possibility but I don't know his schedule yet,” Gay said.