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The MTC Thames Challenge

Kemble, United Kingdom • 7-10 Aug 2025

The MTC Thames Challenge is a demanding four-day ultra marathon covering 184 miles along England’s longest river path, the Thames. Starting from the river’s source in the Cotswolds and finishing at the Thames Barrier in Greenwich, the event is divided into four stages: the Cotswold Ultra (57 miles), Oxford Ultra (49 miles), Windsor Ultra (47 miles), and Richmond Ultra (33 miles). Participants must be self-sufficient, carrying mandatory gear including maps, compass, and first aid. Accommodation and meals are provided at designated stops after each day’s race. The challenge offers a unique atmosphere of endurance and camaraderie, with bespoke medals and technical gear awarded to finishers. Visit the organization's website for the most recent information.

United Kingdom South West (England) Kemble

Race information

Website
57 mi
The Mtc Cotswold Ultra - 57 Miles
49 mi
The Mtc Oxford Ultra - 49 Miles
47 mi
The Mtc Windsor Ultra - 47 Miles
33 mi
The Mtc Richmond Ultra - 33 Miles
Visit the organization's website for the most recent information.
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