The MTC Thames Challenge
Kemble, United Kingdom • 7-10 Aug 2025
The MTC Thames Challenge is a four-day ultra marathon covering a total distance of 184 miles along England's longest river path, the Thames. Participants will tackle unique stages each day, including the Cotswold Ultra, Oxford Ultra, Windsor Ultra, and Richmond Ultra. All finishers receive bespoke medals, technical t-shirts, and trophies for daily winners. The event also offers hotel accommodation and meals for participants. Additionally, those who complete both the Thames and Severn Challenges in the same year can earn a special "Severn & Thames Buckle." This challenging event is designed for experienced runners seeking an extraordinary endurance test. Visit the organization's website for the most recent information.