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The Summer GMU

Bristol, United Kingdom • 23 Aug 2025

The Summer Green Man Ultra (GMU) is a challenging ultra marathon held near Bristol, featuring two race distances: 45 miles and 30 miles. Both races follow the same course clockwise 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 event includes four checkpoints offering food and drink, and all finishers receive bespoke medals and technical t-shirts. Runners completing both summer and winter 45-mile events in the same year earn special GMU buckles. The course is self-navigated, tough, and muddy, with a 12-hour cut-off for the 45-mile race. Visit the organization's website for the most recent information.

United Kingdom South West (England) Bristol

Race information

Website Registration
45 mi
45 Mile Distance
30 mi
30 Mile Distance
Visit the organization's website for the most recent information.
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