Obstacle Race Calendar United Kingdom 2026-2027
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in United Kingdom for 2026-2027! Our updated list features 107 exciting races across the country. Find your next race in United Kingdom below and join the running community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
May 2027
A 5 km muddy obstacle course at Birkenhead Park featuring climbing, crawling and sliding. Organised by Cancer Research UK, the event uses staggered wave starts and requires participants to be 13 or older.
A muddy off-road running challenge in Aberdeen on 16 May 2027 with 5 km and 10 km options for adults and supervised teenagers. Entries include a technical T shirt and finishers medal, with free parking and photos.
An untimed inflatable obstacle run at North Somerset Showground on 22 May 2027 offering 2.5 km laps with options up to 15 km and family-friendly entries.
A countryside 5 km at Bowdon Rugby Club combining two laps, drinking stations approximately every kilometre and a mix of inflatable and non-inflatable obstacles. Up to five alcoholic drinks per runner are permitted and participants must be over 18.
A 5 km obstacle event at War Memorial Park on 23 May 2027 where participants climb, crawl and slide across mixed grass and path terrain; entrants must be 13 or older and a minimum fundraising target of £50 applies.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
The Pretty Muddy 5 km obstacle course at Baiter Park, Poole on 29 May 2027 runs across grass and tarmac with staggered wave starts every 15 minutes. Participants must be 13 or older and there is a minimum fundraising target.
June 2027
A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.
A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.
A 5k obstacle course in Avenham and Miller Park that raises funds for cancer research, featuring climbs, crawls and slides on a single lap route with staggered wave starts. Participants must be 13 or older and facilities include toilets and refreshme..
A 5k muddy obstacle course at Willen Lake with staggered wave starts, on-site toilets and parking, blue badge parking nearby, and a fundraising target of £50. The event is not wheelchair accessible.
A 5 km muddy obstacle course through Graves Park woodland and fields, with start and finish by the animal farm. Organised by Cancer Research UK to raise funds for cancer research, the event includes timed wave starts and onsite parking.
Derby Pretty Muddy 5k is an obstacle course at Markeaton Park with climbing, crawling and sliding across mixed terrain. It is for participants aged 13 and over and includes a fundraising element, a kit pack and a finisher medal.
Inflatable 5K Liverpool on 5 June 2027 features giant inflatable obstacles with distance options from 2.5 km to 15 km and music zones along the course.
Obstacle course weekend at Hopetoun Estate with Sprint 5 km, Super 10 km, Beast 21 km, a kids race, Trifecta option, and concurrent Tough Mudder event.
A 5k obstacle course around Strathclyde Loch at Strathclyde Country Park with staggered wave starts, fundraising support and a finish by Sandy Beach car park.
A muddy 5k obstacle course at Thornes Park on 12 June 2027 where participants climb, crawl and slide over varied terrain. Wave starts run every 15 minutes and the event has a minimum fundraising target of £50.
A 5k obstacle course at Sandwell Valley Country Park on 12 June 2027 featuring grass, paths and woodland with multiple obstacles. Organised by Cancer Research UK, participants fundraise with a minimum target of £50.
Inflatable 5K in Lincoln on 12 June 2027 is an outdoor inflatable obstacle run offering 2.5k to 15k distances with music zones, a water station and a finisher's medal.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
A muddy 5k obstacle course at Camperdown Park in Dundee where participants aged 13 and over climb, crawl and slide while raising funds for cancer research.