Atw Odyssey Triathlon

The ATW Odyssey Triathlon is an annual endurance event held in the scenic Cambridgeshire countryside, specifically at Riverside Park, Regatta Meadow, St Neots. The 2025 edition introduces a new half-distance option alongside the full triathlon. The full course features a 3.8km swim in the River Ouse, a 180km bike ride through picturesque landscapes, and a 42.2km marathon around St Neots.

The half-distance includes a 1.9km swim, 90km cycle, and 21.1km run. The event emphasizes a supportive atmosphere with multiple spectator points, family activities, food, music, and camping options. It also hosts the Police Middle Distance Championships and offers wetsuit hire. Visit the organization's website for the most recent information.