Bolt shattered his old mark (19.30) by 11-100ths of a second to set the new world record of 19.19 seconds. Bolt talks about when he knew he would set a new record.
"Twenty meters out I saw it (the clock) was at 17 (seconds) and I said, oh, I'm going to get this world record. But I didn't know how fast, so I was feeling happy," he said.
Alonso Edward of Panama captured the silver (19.81) while American Wallace Spearmon took the bronze with his season's best time of 19.85.
Spearmon talks about his race. "Before the race I felt kind of tired and I ran to the best of ability. It wasn't good enough today, so after the season I'm going to go home and rest a little bit and I'm going to work harder than ever," he said.
In the men's 100-meter hurdles, Ryan Brathwaite of Barbados nosed out Terrence Trammell (trah-MELL) of the United States by one-100th of a second to win his nation's first-ever World Championship gold medal in a national record time of 13.14 seconds. Trammel got the silver, while his countryman, David Payne, took the bronze (13.15).
Melanie Walker brought home another gold for Jamaica, setting a championship record of 52.42 seconds in the women's 400-meters. Lashinda Demus of the United States earned the silver (52.96).
Croatia's Blanka Vlasic took the top place on the podium in the women's high jump with a leap of 2.04-meters, while Trey Hardee of the United States wrapped up the 10-event decathlon gold with a world leading total of 8,790 points.