The Winter Gmu

The Winter Green Man Ultra (Winter GMU) is a challenging ultra marathon held annually around Bristol, UK. Scheduled for March 7, 2026, it offers two distances: a 45-mile (72 km) full loop and a 30-mile (48 km) partial loop of the Community Forest Path. The course runs anti-clockwise with 4 well-stocked checkpoints for the 45-mile race and 2 for the 30-mile.

The terrain is often muddy in winter, adding to the challenge. Participants receive a bespoke medal and technical t-shirt upon finishing. The event features chip timing, pacers targeting 9 to 12-hour finishes, and hot food at the finish.

It supports Avon Wildlife Trust charity. Visit the organization's website for the most recent information.