Race for Life Pretty Muddy is Cancer Research UK's brilliant 5k muddy obstacle course. Scramble over the A-frame. Crawl through the mud pit. Have fun with your friends. And raise valuable funds for BEATING CANCER. Open to women and girls over 13, of all fitness levels, Pretty Muddy isn't about blood, sweat and tears - it's about fun, friendship and fundraising to bring forward the day when all cancers are cured. Each Pretty Muddy event will have 7 - 10 obstacles, plus a few surprises in between. There will be a combination of messy and muddy obstacles, climbing obstacles and crawling obstacles. Participants with pre-existing medical conditions are advised to seek advice from their doctor before registering.