The successful defence of her FIM Women's Motocross world title took Dunedin motocross rider Courtney Duncan to the brink physically and mentally. With restrictions imposed by Covid-19 turning the season on its head, the 24-year-old pulled off the ride of her life in the penultimate race to snatch the crown from her No 1 rival, Dutch rider Nancy van de Ven, by the skin of her teeth.