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The Winter Gmu

Bristol, United Kingdom • 7 Mar 2026

The Winter Green Man Ultra (Winter GMU) is a challenging ultra marathon held around Bristol, UK, featuring two distances: 45 miles and 30 miles. The 45-mile race is a full anti-clockwise loop of the Community Forest Path starting and finishing at Ashton Park School, with 3100 feet of elevation gain. The 30-mile race begins at Keynsham and finishes at Ashton Park School, covering 1900 feet of ascent.

The course is known for its muddy winter conditions, four well-stocked checkpoints, and self-navigation, with pacers ("timelords") guiding runners at various target finish times. Finishers receive bespoke medals, technical t-shirts, and hot food at the finish. The event supports Avon Wildlife Trust and emphasizes environmental care. Visit the organization's website for the most recent information.

United Kingdom South West (England) Bristol

Race information

Website
45 mi
945 m+
The Winter Green Man Ultra 45
30 mi
580 m+
The Winter Green Man Ultra 30
Visit the organization's website for the most recent information.
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