The MTC Thames Challenge

Kemble, United Kingdom • 7-10 Aug 2025

The MTC Thames Challenge is a four-day ultra marathon spanning 184 miles along England’s longest river, from the Thames source in the Cotswolds to the Thames Barrier in Greenwich. Participants complete four stages: the Cotswold Ultra, Oxford Ultra, Windsor Ultra, and Richmond Ultra, each offering unique scenic routes. Finishers receive bespoke medals, T-shirts, mugs, or hats, with top male and female athletes earning trophies. The event includes accommodation, meals, and logistical support, and offers the chance to earn the “Severn & Thames Buckle” by completing both the Thames and Severn Challenges in the same year. It is a demanding race suitable for experienced ultra runners. Visit the organization's website for the most recent information.

Race information

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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