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.
October 2026
A multisport course from Kinlochleven that combines a Loch Leven swim, mountain bike sections and a run to the summit of Ben Nevis over 73 km.
Inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options suitable for ages 5 and up.
3 Oct 2026 OCR at Wheatrig Farm featuring a 3km with about 25 obstacles and a 400m sprint with 12 obstacles; youth and competitive divisions, limited entries.
A MacTuffX fitness race in Brierley Hill on 4 October 2026 combining 10 Xercises with 400m or 800m running formats for solo, doubles, or five person relays and a LITE weight option.
Mud Madness at Chatelherault on 4 October 2026 features a 1 km kids mud run and a 5 km family mud run with obstacles and water hazards.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Inflatable 5K in Cheltenham on 10 October 2026 features giant inflatables across 2.5 km laps with 2.5k, 5k, 10k and 15k options, music zones, medals and family rules.
A military inspired obstacle mud run at Hever Castle on 10 October 2026 offering 3K, 6K and 12K courses, junior options, and an event village with spectator attractions.
A 5K obstacle event at The Cheshire County Showground on 10 October 2026 with 12+ obstacles, a finisher medal and a charity fundraising requirement of at least £250.
Functional fitness race at Swindon's County Ground on 11 October 2026 combining ten Xercises with 400m or 800m runs and solo, doubles or relay teams of five for entrants 18 years and over.
The tenth and final Bog Run on 11 October 2026 in Castlewellan is a muddy 5 km fundraiser with junior and senior options to support children and young people affected by cancer.
Inflatable 5K in Norwich on 17 October 2026 offers giant inflatable obstacles, music zones, medals and distances from 2.5k to 15k for all ages.
An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.
A 10K off-road obstacle race in the Lincolnshire Wolds on 18 Oct 2026, featuring muddy terrain, built obstacles, 1000 ft elevation and a finisher's medal plus a pale ale.
An obstacle course event at Scorrier House Estate with 10 km, 5 km and 2.5 km routes plus a dog-friendly K9 day.
An obstacle course race for dogs and owners at Aske estate near Richmond, North Yorkshire, featuring 5 km and 10 km routes with marked dog-friendly obstacles.
November 2026
A November muddy obstacle event in Essex offering 6 km, 12 km and 24 km+ courses with natural and man‑made obstacles including a Deathslide and zip wire.
A three hour team endurance event at Charlton Hall Estate, Alnwick on 7 November 2026. Teams of five with at least two female members rotate between BikeErg and running while the event includes live DJs, food, drink and a festival atmosphere.
Off-road races at Spider Hill, Long Valley offering a single 10 km lap with named wet sections and a shorter 5 km route added in 2022.
December 2026
Trail event at Longmoor on Monday 28 December with a 5 mile single lap and a 10 mile two lap route through dunes, water features and repeated climbs; medals for finishers.
March 2027
A quirky partner carrying race on a 380 m out and back course up The Nower in Dorking, with weigh in rules, helmets required and proceeds donated to a local food charity.