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Clapham Common, Windmill Drive, SW4 9DE, United Kingdom
London - Clapham Pretty Muddy 5k 2026 | Race for Life is a fundraising obstacle course organised by Cancer Research UK that invites participants to climb, crawl and slide around a 5 km muddy course at their own pace. The event emphasises fun and community rather than competition, welcoming individuals or groups to take part while raising money for life‑saving cancer research. Obstacles are marshalled and designed to be tackled safely at any pace, and the course mixes grass and tarmac with a gravel start and finish area.
The event is staged on Clapham Common with staggered start waves from 12:30 and waves departing every 15 minutes to manage numbers. Entry carries a minimum fundraising target and modest entry fees, and the event provides a warm‑up, a race village atmosphere with refreshments and post‑race picnic facilities, and support from the Race for Life fundraising team. Participants should note accessibility limitations at this site, that there is no general event parking and that children under 13 are not eligible for this specific event.
