Fiona Oakes is a British distance runner who holds four world records for marathon running.In 2013, she won both the Antarctic Ice Marathon and the North Pole Marathon. She runs despite losing a kneecap due to a tumour when she was 17.Oakes has been vegan since she was 6 years old.As far as Fiona is aware, she was the first vegan woman to complete the Marathon des Sables. She runs Tower Hill Stables Animal Sanctuary, is an ambassador for The Vegan Society, and is a patron of the Captive Animals Protection Society.