Martinez of the U.S., Masna of Czech Republic, Lupu of Ukraine, Hachlaf of Morocco and Johnson Montano...
Brenda Martinez of the U.S., Lenka Masna of Czech Republic, Nataliia Lupu of Ukraine, Halima Hachlaf of Morocco and Alysia Johnson Montano of the U.S. (L-R) compete in the women's 800 metres semi-final heat event of the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow August 16, 2013. REUTERS/Lucy Nicholson (RUSSIA - Tags: SPORT ATHLETICS)