The MTC Thames Challenge

Conquer the entire length of England's most iconic river on foot at The MTC Thames Challenge, a formidable 4-day, 184-mile staged ultra run from 6-9 August 2026. This epic journey is broken into four consecutive ultra marathons, starting at the river's source in the Cotswolds and finishing at the Thames Gate in London, traversing the historic path through Oxford, Henley, Windsor, and Richmond. As a premier event in the URL Challenger Series, it demands immense endurance and resilience, offering the ultimate test for experienced ultra runners with the added prestige of a "Double" buckle for those who also complete the MTC Severn Challenge in the same year. With hotel accommodation and meals included, comprehensive support, and six UTMB points for finishers, it’s a meticulously organized pilgrimage along one of the world's most famous waterways. Entries are now open for the ultimate multi-day adventure where history and personal legend are written with every step.