World athletics championships

MOSCOW, Russia - Christine Ohuruogu of Britain (R) crosses the finish line in the women's 400 meters final at the world athletics championships in Moscow, Russia, on Aug. 12, 2013. Ohuruogu won the gold medal with a time of 49.41 seconds. To the left is Botswana's Amantle Montsho, who won the silver medal.