Track & Field at the London 2012 Olympics (146 images)

Great Britain's Mo Farah and Jamaica's Usain Bolt pose for the media after winning their respective races on the ninth day of the Athletics in the Olympics stadium at the London 2012 Summer Olympics on August 11, 2012 in London. UPI/Hugo Philpott

Allyson Felix of the USA (R) takes off on the second leg of the Women's 4 x 400 relay en route to gold in world record time at the London 2012 Summer Olympics on August 11, 2012 in London. DeeDee Trotter (L) watches after the first exchange. UPI/Terry Schmitt

Brigetta Barrett of the USA celebrates winning a silver medal in Women's High Jump at the London 2012 Summer Olympics on August 11, 2012 in London. Barrett jumped 2.03M. UPI/Terry Schmitt

Athletes run past St.Paul's Cathedral in the Men's Olympic marathon on the final day of the London 2012 Summer Olympics on August 12, 2012 in London. UPI/Hugo Philpott