Thames Trail Ultra

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra-marathon along England’s longest river, the Thames. Starting near Oxford in Iffley and finishing at the YMCA Y Centre in Henley-on-Thames, the course features a mix of 86% cross-country trails and riverside paths with 14% road running, offering scenic river views, picturesque villages, and traditional rowing clubs. The race includes five aid stations, real-time GPS tracking, and a well-supported atmosphere.

It is a UTMB Index race in the 50K category, attracting serious ultra-runners. Facilities at the finish include showers, hot food, and changing rooms, making it a memorable endurance event. Visit the organization's website for the most recent information.