AFP, Beijing :Usain Bolt capped another memorable world championship by winning a third gold medal on Saturday as the anchor of the Jamaican 4x100m relay team.Bolt ran the final leg of the relay at a packed Bird’s Nest stadium, hurtling through the line in 37.36 seconds after teammates Nesta Carter, Asafa Powell and Nickel Ashmeade had successfully got the baton around.The victory gave Bolt his 11th world gold medal — the only one missing from his collection being the 100m in the 2011 Daegu worlds when he was disqualified after a false start.The US quartet of 100m bronze and silver medallists Trayvon Bromell and Justin Gatlin, and fellow finalists Tyson Gay and Mike Rodgers took silver, in 37.77sec with China delighting the home crowd with a shock bronze (38.01).