The Summer GMU
Bristol, United Kingdom • 23 Aug 2025
The Summer Green Man Ultra (GMU) is a challenging ultra marathon held near Bristol, UK, featuring two race distances: 45 miles and 30 miles. Both events run on the same course in a clockwise direction along the Community Forest Path, with the 45-mile race starting and finishing at Ashton Park School, and the 30-mile race starting at The White Horse, Hambrook, finishing at Ashton Park. The course includes four checkpoints offering food and drink, with hot food available at the finish. Runners completing both summer and winter 45-mile events in the same year earn special GMU buckles. All finishers receive bespoke medals and technical t-shirts, celebrating endurance on this scenic, demanding route. Visit the organization's website for the most recent information.