Tetiana Petlyuk of Ukraine lies on the track with a leg injury during her women's 800 metres heat at the IAAF World Championships in Daegu September 1, 2011. REUTERS/David Gray (SOUTH KOREA - Tags: SPORT ATHLETICS IMAGE OF THE DAY TOP PICTURE)

Australia's Tamsyn Lewis (L) crosses the finish line ahead of Ukraine's Tetiana Petlyuk (R) and Mozambique's Maria de Lurdes Mutola (2nd L) in the women's 800m final at the 12th IAAF World Indoor Athletics Championship in Valencia March 9, 2008. REUTERS/Albert Gea (SPAIN)

Tetyana Petlyuk of Ukraine (L-R), Hazel Clark of the U.S., Sviatlana Usovich of Belarus and Kenia Sinclair of Jamaica compete during the women's 800 metres heats at the 11th IAAF World Athletics Championship in Osaka August 25, 2007. REUTERS/Issei Kato (JAPAN)

Sviatlana Usovich (258) of Belarus crosses the finish line ahead of Hazel Clark (954) of the U.S., Tetyana Petlyuk (924) of Ukraine, Diane Cummins (303) of Canada, and Kenia Sinclair (594) of Jamaica to win her women's 800 meters heat at the 11th IAAF World Athletics Championships in Osaka August 25, 2007. REUTERS/Michael Dalder (JAPAN)

Tetyana Petlyuk of Ukraine (front R) competes during the women's 800 metres heats at the 11th IAAF World Athletics Championship in Osaka August 25, 2007. REUTERS/Dylan Martinez (JAPAN)

Tetyana Petlyuk of Ukraine competes during the women's 800 metres heats at the 11th IAAF World Athletics Championship in Osaka August 25, 2007. REUTERS/Dylan Martinez (JAPAN)

Russia's Oksana Zbrozhek competes in the women's 800m final ahead Ukraine's Tetyana Petlyuk (C) and Slovenia's Jolanda Ceplak during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 4, 2007. REUTERS/Dylan Martinez (BRITAIN)

Russia's Oksana Zbrozhek celebrates winning the women's 800m final ahead Ukraine's Tetyana Petlyuk (R) and Slovenia's Jolanda Ceplak during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 4, 2007. REUTERS/Dylan Martinez (BRITAIN)

Russia's Olga Kotlyarova (1611) wins the gold medal in the women's 800 m at the European athletics championships in Gothenburg (Goteborg), August 10, 2006. Following Kotlyarova are third place winner Rebecca Lyne of Britain (1261), Slovenia's Brigita Langerholc (1656), Ukraine's Tetyana Petlyuk (1746) and second place winner Svetlana Klyuka from Russia (1606). REUTERS/Michael Dalder (SWEDEN)

Rebecca Lyne (R) from Britain wins her heat in the woman's 800m ahead of Tetyana Petlyuk (C) from Ukraine and Elisabeth Grousselle from France at the European athletics championships in Gothenburg, August 7, 2006. REUTERS/Michael Dalder (SWEDEN)

(L to R) Tetyana Petlyuk of Ukraine, Svetlana Cherkasova of Russia, Svetlana Usovich of Belarus, Lucia Klocova of Slovakia and Laetitia Valdonado of France compete in the fourth heat of the 800 metres women's event at the world athletics championships in Helsinki August 6, 2005. REUTERS/Gary Hershorn CN/PEK/KS

Morocco's Hasna Benhassi celebrates as she wins her semi-final of the women's 800 metres at Athens 2004 Olympic Games. Morocco's Hasna Benhassi (C) celebrates as she wins her semi-final of the women's 800 metres ahead of Slovenia's Jolanda Ceplak (R) and Ukraine's Tetyana Petlyuk (L) at the Athens 2004 Olympic Games August 21, 2004. REUTERS/Gary Hershorn