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.
Peak District Challenge by Wilderness Development (100miles + shorter options)
5 Challenge distances to trek or run: 25km (Copper)50km (Bronze)75km (Silver)100km (Gold Ultra)100miles in 24 hours Ultra Each distance has a target time to try



