abstract:Marla Runyan (born January 4, 1969), is an American track and field athlete, road runner and marathon runner who is legally blind. She is a three-time national champion in the women's 5000 metres.
O'Sullivan will join Kenyans Lornah Kiplagat and Susan Chepkemei and American MarlaRunyan in one of strongest women's elite fields in the history of the 32-year-old race.
Five athletes - all in summer sports - have competed in the Paralympics and Olympics - South African swimmer Natalie du Toit, American runner MarlaRunyan, Polish table tennis player Natalia Partyka, Italian archer Paola Fantato and New Zealand archer Neroli Fairhall.