The Hong Kong siblings who bond over fitness reveal why endurance runs in this family

In the punishing world of Hong Kong endurance sports, few events command as much respect as the Hong Kong Four Trails Ultra Challenge (HK4TUC), a gruelling 298km (185-mile) test across the city’s major trail networks. While 51-year-old ultra-runner and coach Elliot Froidevaux has conquered the challenge twice, his journey from a 100kg (220lbs) heavy smoker to elite trail runner was no solo effort. Standing next to the Swiss-born, Hong Kong-raised Froidevaux is his older sister, Joanne Nixon, a...