A complete list of obstacle races and mud runs in United Kingdom. Find an obstacle race or mud run near you using our calendar of over 100 events. The term 'Obstacle Race' includes anything from an extreme trail run to a full-on fest of ice baths, electric shocks and water slides. This includes the well-known blockbuster events such as Spartan Races, Tough Mudders and Wolf Runs as well the more niche events.

So whether you’re after a low-key local race or the excitement of a major event, check out our comprehensive 2021 Obstacle race calendar below: and use the “Refine” button above to fine-tune your search.