The most comprehensive list of Obstacle Course Races in and around London in 2021 - 2022. Discover, compare and book the best OCR Races and OCR running events near you, including races from Tough Mudder, Spartan Race and Pretty Muddy Race for Life.  

Find A Race is the UK's most popular event listings website, with over 1 millions users a year using our database of over 2,500 events to discover, compare and book their next challenge.