Challenge Shanghai gives a first-time Middle Distance Triathlon athlete a course that rewards steady execution more than brute force. Built for athletes with 4–6 weeks of aerobic base training, this six-month beginner plan provides a clear path toward Shanghai’s 1.9 km swim, 87 km bike, and 20 km run. ✅ Build fitness without being thrown into the deep end: Training progresses from base endurance and technique into tempo work, VO2 intervals, and anaerobic-threshold sessions. The goal is to ...