The leaders of the 2012 Olympic Women's marathon pass the Cannon Street Water Station for the last time. Mary Jepkosgei KEITANY (KENYA) leads at this point, with eventual winner Tiki GELANA (ETHIOPIA) second, silver medallist Priscah JEPTOO (KENYA) 3rd and bronze medallist Tatyana PETROVA ARKHIPOVA (RUSSIA) 4th