Janeth Jepkosgei Busienei of Kenya crosses the finish line ahead of Ekaterina Kostetskaya of Russia (L), Alysia Johnson Montano of the U.S. (2nd L) and Marilyn Okoro of Britain (R) during their women's 800 metres heat at the IAAF World Championships in Daegu September 1, 2011. REUTERS/David Gray (SOUTH KOREA - Tags: SPORT ATHLETICS)