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 109 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 73 km multisport mountain event from Kinlochleven featuring a Loch Leven swim, West Highland Way bike stages and a run to the Ben Nevis summit.
An inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options 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 family friendly 5k obstacle and colour run near Dorking Surrey in October 2026 with mud, water features and obstacles for ages 6 and up.
Family mud runs at Chatelherault Country Park on 4 October 2026, featuring a 1 km children’s course and a 5 km family course with water hazards and obstacles.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Inflatable obstacle course in Cheltenham on 10 October 2026 offering 2.5k to 15k options, music zones, medals and family friendly participation rules.
Military style obstacle mud run at Hever Castle Kent with 3 km, 6 km and 12 km options and many obstacles modelled on Royal Marines training.
A 5K obstacle course at The Cheshire County Showground with 12+ obstacles, open to ages 14+, raising funds for Islamic Help's water projects.
An outdoor dog obstacle event at Avon Heath Country Park with 2.5 km and 5 km muddy courses, entertainment, a dog show, and fundraising for Lewis-Manning Hospice Care.
A final edition 5 km mud run in Castlewellan on 11/10/2026 raising funds for children and young people affected by cancer, with junior and senior routes.
Inflatable obstacle course in Norwich on 17 October 2026, offering 2.5K to 15K options, music zones, finisher medals and family-friendly entries.
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.
An outdoor obstacle course at Scorrier House Estate offering 10 km, 5 km and 2.5 km routes plus a dog friendly K9 day across mud, water and designed obstacles.
Night of the Undead Zombie Run at Haigh Woodland Park is a mixed terrain 5.15 km fun run with zombie zones, flag lives, manual timing and glow in the dark medals.
An obstacle course event for dogs and owners at Aske estate near Richmond, offering 5 km and 10 km routes with marked dog friendly obstacles and an 850 m muddy assault section.
A relaxed night obstacle run at OPP over two 1.5 km laps, with technical obstacles, surprise elements and a strict headtorch requirement.
November 2026
Muddy obstacle runs in Brentwood, Essex offering 6 km, 12 km and 24 km plus options across farmland, woods and lakes with dozens of natural and man made obstacles.
Mud, marshes and hills feature on a single 10 km lap at Spider Hill with a shorter 5 km option and on-site parking accessed via Bourley Road.
December 2026
A sand-dune trail race at Longmoor on 28 December with 5 mile and 10 mile options, water features, muddy terrain, and medals for all finishers.
March 2027
Winter Nuts Challenge on 6 March 2027 at Henfold Lakes near Dorking is an obstacle mud run on a 5 km loop with options for one, two, four or unlimited laps.