Fiona Oakes holds four world records for marathon running! In 2013, she won both the Antarctic Ice Marathon and the North Pole Marathon. Whaaaat? And, there's more says her Wikipedia.

"In 2013, Oakes became the fastest female in aggregate time to complete a marathon on each continent (23h:27m:40s); the fastest female in aggregate time to complete a marathon on each continent and the North Pole (28h:20m:50s); and the fastest female in elapsed time to complete a marathon on each continent and the North Pole (225 days and 18 hours). In 2018 Oakes broke her 4th Guinness World record by becoming the fastest female to run a half marathon in an animal costume (dressed as a cow) in Tromso, Norway (1h:32m:24s)."