Training for the Half Distance Triathlon in Valdivia, Chile requires more than a generic plan. This 36-week Intermediate Half Distance Triathlon Training Plan is built to match the demands of Valdivia’s unique course — from the cool waters of the Calle-Calle River to the fast rural bike ride and scenic riverside run. ✅ Swim-Ready for Valdivia’s 58°F River With 12 weeks of base training followed by progressive open water swim workouts, this plan prepares you for the cool, wetsuit-mandatory 1.9 ...