US Women Win 4x400 Relay; Felix Snags Third Gold Jamaica sets world record in 4x100 relay By Newser Editors and Wire Services Posted Aug 11, 2012 2:55 PM CDT 5 comments Comments United States' women's 4 X400-meter relay team from left, Francena McCorory, Allyson Felix, Sanya Richards-Ross and Deedee Trotter at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (Anja Niedringhaus) (Newser) – Allyson Felix won her third gold medal of the London Olympics, giving the United States a 20-meter lead after the second leg of the 4x400-meter relay and then watching teammate Sanya Richards-Ross bring home the victory today. The US runners finished in 3 minutes, 16.87 seconds for the country's fifth straight Olympic title in the event. Russia finished second in 3:20.23 and Jamaica was third in 3:20.95. In other Olympics news, the Jamaican relay team featuring Usain Bolt set a world record in the men's 4x100-meter relay by finishing in 36.84 seconds, the New York Times reports. The US team took second with 37.04 and Trinidad and Tobago took third at 38.12.