Train Smart for the Half Distance Triathlon in Nice, France: 36-Week Plan for Senior Athletes 60+ The Half Distance Triathlon in Nice is a demanding race featuring a 1.9 km swim in the Mediterranean Sea, a challenging 90 km bike course with the notable ascent of Col de Vence, and a two-loop 21.1 km run along the historic Promenade des Anglais. Average race day temperatures—72°F (22°C) water and 75°F (24°C) air—require targeted preparation. This 36-week Half Distance Triathlon training plan is ...