American Trell Kimmons out-sprinted former 100-metre world record-holder Asafa Powell of Jamaica for the 60-metre title at the Boston Indoor Grand Prix athletics meet.
Kimmons, the second-slowest qualifier for the final, surged from the start and edged past his rivals at the finish line to win in 6.51 seconds, Xinhua reported Saturday.
Powell, a world and Olympic 4x100 relay champion, finished second in 6.52 and American Michael Rodgers, the 2010 world 60 metre runner-up, came third at 6.53.
A US indoor and outdoor sprint runner-up Kimmons, who took Olympic silver in the 4x100 relay in London, will race next week in New York at the Millrose Games and then rest until the outdoor season.
Powell, who owned the world record from 2005 until 2008, when Usain Bolt broke the mark. The former tested positive for a banned substance in 2013 and his ban ended only last year.
Trinidad and Tobago's Michelle-Lee Ahye won the women's 60 metre crown in 7.15, edging American Tianna Bartoletta, a two-time world long jump champion, by 0.04 of a second with Ghana's Flings Owusu-Agyapong coming in at third in 7.26.
New Zealand's Nick Willis, the 2008 Olympic 1,500 metre runner-up, won the mile in 3:51.61, shattering the decade-old meet record of 3:43.18 by Kenyan Laban Rotich with the year's world-best time and a New Zealand record.
American Ben Blankenship was second with 3:53.13 and Morocco's Abdalaati Iguider, the 2012 world 1,500 metre champion, third at 3:54.41.
Two-time world indoor champion Ryan Whiting won the shot put at 21.43 metre and four-time world champion Christian Cantwell second at 20.83 metre.
While, Matthew Centrowitz won the men's 1,000 metre in 2:17.00, Treniere Moser won the women's 1,000m in 2:37.86.
Ethiopia's Dejen Gebremeskel, the 2012 London Olympic 5,000 metre runner-up, won the 3,000 metre in 7:48.19.
Ethiopian Dawit Seyaum, last year's world 1,500 metre outdoor junior champion, took the women's 2,000 metre in 5:35.46 with Kenya's Sally Kipyego, a 10,000 metre London Olympic runner-up, second in 5:40.35.
American Jenny Simpson, the 2011 world 1,500 metre champion champion, captured the women's two mile in 9:18.35.
