Clapham Race for Life & Pretty Muddy 2026

London - Clapham Race for Life and Pretty Muddy event has a 3k, 5k and 10k distance which can be walked, jogged, ran or take on the course however it suits you. Feel the power of moving together with you r fellow Race for Lifers and have fun with it. This event also has Pretty Muddy, you can climb, crawl and slide your way though our Pretty Muddy 5k obstacle course. Kids aged 21 and under can get involved in Pretty Muddy Kids too (above the 1.2m tall).