Pretty Muddy Bristol 2026

Pretty Muddy Bristol features participants climbing, crawling, and sliding through a muddy obstacle course at The Downs on Stoke Road in Bristol. The primary event is a 5K, a little over 3 miles, with the adult race starting at 11:00 AM. This event is part of Cancer Research UK’s Race for Life programme, focusing on getting muddy and raising funds for cancer research rather than achieving a fast time. Most participants can approach the 5K as a relaxed challenge, with an average finish time of about an hour. There is no requirement to meet a specific time; entrants can run, jog, or navigate the obstacles with companions. The Bristol event also includes a Fun Run and a Pretty Muddy Kids Race, and families are advised to review the specific details for the children's race online.