The XTERRA TransTahitienne 2026 is an epic endurance event in French Polynesia, featuring two races: the Trail Run (solo) and the Run & Bike (duo). This unique adventure will take place on September 5th, crossing Tahiti from Teva I Uta to Papenoo through stunning tropical landscapes. Organized by the VSOP-XO club and Fenua Events, this is a true test of team spirit, strength, and nature.