The Thames Challenge is split into four stages over a four-day period. Within the four stages are four unique races in their own right – The Cotswold Ultra, The Oxford Ultra, The Windsor Ultra, and The Richmond Ultra.

The EDDUM
The EDDUM – A 50 mile challenge around the Epynt Way! Sponsored by Hammer Nutrition, Enduraprep and Rokman. Join us on an epic 50 mile