Sportgallery2016 Rio Olympics : Women's 800m Semi FinalBookmarkShareSportByMenelik Simpson01:53, 19 AUG 2016Updated21:49, 19 AUG 2016Shelayna Oskan-Clarke (GBR) of Britain competes in the Women's 800m Semifinals (Image: REUTERS)1 of 11(From L) Angelika Cichocka (POL) of Poland, Margaret Wambui (KEN) of Kenya, Ajee Wilson (USA) of USA and Francine Niyonsaba (BDI) of Burundi compete (Image: REUTERS)2 of 11Great Britain's Lynsey Sharp during the women's 800m semi final at the Olympic Stadium (Image: PA)3 of 11Joanna Jozwik (POL) of Poland runs ahead of Lovisa Lindh (SWE) of Sweden, Shelayna Oskan-Clarke (GBR) of Britain and Selina Buchel (SUI) of Switzerland (Image: REUTERS)4 of 11Habitam Alemu (ETH) of Ethiopia, Melissa Bishop (CAN) of Canada, Eunice Jepkoech Sum (KEN) of Kenya and Joanna Jozwik (POL) of Poland compete (Image: REUTERS)5 of 11Joanna Jozwik (POL) of Poland reacts after the Women's 800m Semifinals (Image: REUTERS)6 of 11Margaret Wambui (KEN) of Kenya wins the race (Image: REUTERS)7 of 11Francine Niyonsaba (BDI) of Burundi reacts next to Renee Eykens (BEL) of Belgium (Image: REUTERS)8 of 11Renee Eykens (BEL) of Belgium (Image: REUTERS)9 of 11Great Britain's Lynsey Sharp following the women's 800m semi final at the Olympic Stadium (Image: PA)10 of 11Shelayna Oskan-Clarke (GBR) of Britain reacts after the Women's 800m Semifinals (Image: REUTERS)11 of 11