Against the Odds: Mick Fanning, Nino Schurter, Kayla Harrison

Australian surfer Mick Fanning was a hero to his adoring fans, not only for winning three world title, but fighting off a great white shark while competing in South Africa … mountain biker Nino Schurter went agonisingly close to Olympic gold twice, but would not be denied in 2016 … and Kayla Harrison's inspirational story of a comeback - against sexual abuse from a former coach - to become a two-time Olympic judo gold medallist.