There are a wide variety of UK-based obstacle course races (OCR), mud runs, weighted runs, and other obstacle events and races.

A number of these events are highlighted below in chronological order (not an exhaustive list). Further events, races and information can be found @ Muddyrace. You can also find useful information on the ‘world’ of OCR @ Mudstacle.

Events by Month

Events are presented as follows: event name @ place (country), distances and website.

Monthly Events (Recurring)

• Nuclear Trials (Nuclear Races) @ Kelvedon Hatch, Brentwood (Essex): http://www.nuclear-races.co.uk/index.php/events/nuclear-trials/.
  • Free event consisting of 400m assault course (10/12 obstacles) designed for groups and individuals.
• The Obstacle Gym @ The Outdoor Training Centre, Lutterworth, LE17 4HP (near Rugby): http://www.theobstaclegym.co.uk/.
  • Wednesday sessions run for 6.30 – 8.30pm and cost £5.
  • Weekend sessions run from 10am – 2pm and cost £10.
• Judgement Day @ East Sussex: http://www.judgement-day.co.uk/.
  • OCR from 6km, 12km and 18km events that combine man-made and natural obstacles (expect monkey bars, rope climbs, quarter pipes, sandbag carries and more).
  • Trail Running at 10km and half marathon trail race distances.

January

• Tough Guy: Original @ South Perton Farm, South Staffordshire (England) https://eventdesq.imgstg.com/index.cfm?fuseaction=main&EventDesqID=1702&OrgID=2107.

February

• Avalanche Adventure Run @ Wrongs Farm, Leicestershire (England): ?km: http://www.quest-events.co.uk/avalanc.htm.
• Brutal 10: Bordon Heaths @ Bordon, Hampshire (England): 10km: http://brutalrun.co.uk/race/bordon-heaths-23-february-2013/.

March

• Para’s 10 @ Aldershot (England): 10m carrying 35lbs (excluding food & water): http://www.paras10.com/aldershot.php.
• Back 2 the Trenches: Over the Top @ Fullers Wood Lane, Nuffield (England): 5km & 10km: http://www.back2thetrenches.co.uk/.
• Brutal 10: Windmill Hill @ Frimley, near Aldershot (England): 10km: http://brutalrun.co.uk/race/brutal-windmill-hill/.
• XRunner: Wild Warrior @ Wild Park, Derbyshire (England): 5km & 10km: http://xrunner.co.uk/events/wild-warrior-obstacle-course-race/.
• Nuclear Blackout (Nuclear Races) @ Kelvedon Hatch, Brentwood (Essex): http://www.nuclear-races.co.uk/index.php/events/nuclear-blackout/.

April

• Royal Air Force 2 Day March @ RAF Cosford, near Wolverhampton (England): http://www.rafwarma.org.uk/.
  • Civilian: 10km, 20km and 40km events.
  • Military: 20km and 40km events.
• The Pain Barrier @ Frickley, Doncaster (England): 10km mud run: http://painbarrier.co.uk.
• Tough Guy: Mud Battles @ Wolverhampton, South Staffordshire (England): 7km, 12km & 21km: http://www.toughguy.co.uk/TG13-MUDBEVENTS.php.
• Yorkshire Warrior Challenge @ Home Farm, Harrogate (England): 10m: http://www.yorkshirewarrior.com/.
• XtremeSTORM @ Victoria Park, Southport (England): 18km: http://xtremestorm.com/.
• Farmyard Frolics @ Brokksby Melton College, Leicestershire (England): 10km: http://www.quest-events.co.uk/frolics.htm.
• Warrior Run @ 6m North of Brighton (England): 6km & 12km: http://www.warrior-run.co.uk/index.html.
• Brutal 10: Bagshot @ Bagshot GU15 1HF (England): 10km: http://brutalrun.co.uk/race/bagshot/.
• W.A.R. (Warrior Adrenaline Race) @ Dunstable Downs, Bedforshire (England): 5km & 10km: http://www.warrioradrenalinerace.co.uk/.

May

• Garelochhead Marches @ Garelochhead (Scotland): 80km over 2 days: http://www.scottish2daymarches.co.uk.
• The “Fan Dance” Pen-y-fan @ Pen-y-fan, Brecon Beacons (Wales): 15m carrying 30lbs: http://www.xnrg.co.uk/fandance2013.htm.
• Commando Course of Action @ Prestwold Country Park, Loughborough (England): 10km: http://wwwcommandocourseofaction.co.uk/.
• Tough Mudder: London North @ Boughton House & Estate, Nrothamptonshire (England): 10-12m: http://toughmudder.co.uk/events/.
• XRunner: Mad Monk @ Darley Abby, Derby (England): 5km & 10km: http://xrunner.co.uk/mad-monk-obstacle-course-race/.
• Whole Hog Challenge: Balfron @ Glenside Farm, Stirlingshire (Scotland): ?km: http://www.mariecurie.org.uk/wholehogstirlingshire.
• Whole Hog Challenge: Banchory @ Woodend Barn, Aberdeenshire (Scotland): ?km: https://www.mariecurie.org.uk/en-GB/events/adrenaline-experiences/whole-hog-aberdeenshire-banchory-2013-9120/.
• Whole Hog Challenge: Brecon Beacons @ South Wales Caving Club, Swansea (Wales): 6m: https://www.mariecurie.org.uk/en-GB/events/adrenaline-experiences/whole-hog-brecon-beacons-2013-9116/.
• Whole Hog Challenge: Forest Row @ Hindleap Warren Outdoor Centre, Wych Cross (England): ?km: https://www.mariecurie.org.uk/en-GB/events/adrenaline-experiences/whole-hog-forest-row-east-sussex-2013-9111/.
• Great Escape Challenge @ Yorkshire Dales National Park (England): ?km: http://greatescape.mariecurie.org.uk/index.php.
• Beat the Bog @ Preston, Kent (England): 5m: http://www.beatthebog.com/#page_id=page0.
• Rat Race: Dirty Weekend @ Burghley House (England): 13m & 20m: http://www.ratracedirtyweekend.com/.
• Zombie Run UK: Lincoln @ Oakhill Leisure, Swinderby (England): 5km: http://www.zombierunuk.com/.
• Chiltern Warrior @ Chiltern open Air Museum, Buckinghamshire (England): 5km & 10km: http://www.chilternwarrior.com/.
• Adventure Race Essex: Lactic Rush @ Essex (England): 7m: http://www.adventureraceessex.co.uk/index.php/events/lactic-rush/.
• Kamikaze: Pippingford @ Pippingford Park, East Sussex (England): 4m & 8m: http://www.votwo.co.uk/events-1/kamikaze-pippingford-2013.
• Hell on the Harbourside @ Cumbria (England): 4m & 6m: http://www.west-lakes-adventure.co.uk/hell-on-the-harbourside/.
• XMud: West Midlands @ Red Hall Farm, Stoke-on-Trent (England): 6m: http://www.xmud.co.uk/events/west-midlands-mud-run.
• Nuclear Rush (Nuclear Races) @ Kelvedon Hatch, Brentwood (Essex): http://www.nuclear-races.co.uk/index.php/events/nuclear-rush/.

June

• AGR Black Rock ‘5’ Race @ Kinghorn, Fife (Scotland): 10km: http://blackrock5.org.
• Back 2 the Trenches: No Man’s Land @ Fullers Wood Lane, Nuffield (England): 5km & 10km: http://www.back2thetrenches.co.uk/.
• Brutal 10: Enduro @ Bordon (England): 12hr endurance over a 10km distance: http://brutalrun.co.uk/race/brutal10-enduro/.
• Alliance Trust Cateran Yomp, Highlands of Perthshire (Scotland): 54 miles in 24 hours:
  • Sign-up: http://www.soldierscharity.org/events/the-cateran-yomp/.
  • Route: http://www.caterantrail.org/.
• Commando Challenge @ Woodbury Common, near Exeter (England): 17km: http://www.commandochallenge.co.uk.
• Day of the Reckoning, The @ Heart of England Conference & Events Centre, Fillongley (just of of Birmingham, England): http://www.thedayofreckoning.co.uk/.
• South Downs Way Ultra Run @ Washington, West Sussex (England): 106 miles over two days: http://www.votwo.co.uk/events-1/south-downs-way-challenge-2011.
• Tough Mudder: London South @ Temple Valley, Hampshire (England): 10-12m: http://toughmudder.co.uk/events/.
• XRunner: Water Wipeout @ National Watersports Centre, Nottingham (England): 5km & 10km: http://xrunner.co.uk/events/water-wipeout/.

July

• Para’s 10 @ Colchester (England): 10m carrying 35lbs (excluding food & water): http://www.paras10.com/colchester.php.
• Tough Guy: Nettle Warrior @ South Perton Farm, South Staffordshire (England): 4km, 8km & 12km: https://eventdesq.imgstg.com/index.cfm?fuseaction=main&EventDesqID=644&OrgID=2107.
• XMud: North Midlands @ TBC, (England): 6m: http://www.xmud.co.uk/events/north-midlands-mud-run.

August

• Spartan Race: London @ Pippingford Park, East Sussex (England): 5km: http://www.spartanrace.com/london-obstacle-racing-spartan-sprint-2013.html.
• Brutal 10: Minley @ Minley Training Land (England): 5km, 10km & 20km: http://brutalrun.co.uk/race/minley-17-aug-2013/.
• Tough Mudder: Scotland @ Dalkeith Country Estate, Edinburgh (Scotland): 10-12m: http://toughmudder.co.uk/events/.
• Beach Bash @ St Bees Beach, Cumbria (England): 3m: http://www.west-lakes-adventure.co.uk/beach-bash/.
• Nuts Challenge, The (Swires Farm, Dorking): 1-4 laps (7km each): http://www.thenutschallenge.co.uk/.
• XMud: South Midlands @ TBC, (England): 6m: http://www.xmud.co.uk/events/south-midlands-mud-run.

September

• Commando Shuffle, The @ Okehampton (Dartmoor): 30-miler: http://http://www.commandoshuffle.co.uk/.
• The Major Series, North @ Bramham Park, Leeds (England): 5km & 10km: http://www.majorseries.com/events/north.
• Para’s 10 @ Catterick (England): 10m carrying 35lbs (excluding food & water): http://www.paras10.com/catterick.php.
• Ultimate Trails Ultra Marathon @ Brockhole, Lake District National Park Visitor Centre, Windermere (England): 100km (in 24hrs & 27hrs) & 50km (12hrs):  http://www.ultimatetrails.com/events.php.
• Spartan Race: Cambridge @ Carver Barracks, Saffron Walden (England): 5km: http://www.spartanrace.com/cambridge-obstacle-racing-spartan-sprint-2013.html.
• Spartan Race: Yorkshire @ Ellington Banks, Yorkshire (England): 5km: http://www.spartanrace.com/yorkshire-obstacle-racing-spartan-sprint-2013.html.
• Spartan Race: Edinburgh @ Winton House, East Lothian (Scotland): 5km: http://www.spartanrace.com/edinburgh-obstacle-racing-spartan-sprint-2013.html.
• Spartan Race: Midlands @ West Midlands Water Ski Centre, Warwickshire (England): 12km: http://www.spartanrace.com/midlands-obstacle-racing-super-spartan-2013.html.
• Twilight Adventure Run @ Wrongs Farm, Leicestershire (England): 10km: http://www.quest-events.co.uk/twilight.htm.
• Tough Mudder: Yorkshire @ The Broughton Hall Estate, North Yorkshire (England): 10-12m: http://toughmudder.co.uk/events/.
• Tough Mudder: South West @ TBC (England): 10-12m: http://toughmudder.co.uk/events/.
• XRunner: Wild Thing @ Wild Park, Derbyshire (England): 5km & 10km: http://xrunner.co.uk/events/wild-thing-mud-run-obstacle-race/.
• Beat the Bog @ Preston, Kent (England): 5m: http://www.beatthebog.com/#page_id=page0.
• Adventure Race Essex: Nuclear Burn Duathlon @ Essex (England): 10km, 20km ride & 5kn run: http://www.adventureraceessex.co.uk/index.php/events/nuclear-burn-duathalon/.
• Kamikaze: The Banzai Charge @ Dorset (England): 8m: http://www.votwo.co.uk/events-1/kamikaze-adventure-run-dorset-2012.
• XMud: North Wales @ TBC, (Wales): 6m: http://www.xmud.co.uk/events/north-wales-mud-run.
• Nuclear Blackout (Nuclear Races) @ Kelvedon Hatch, Brentwood (Essex): http://www.nuclear-races.co.uk/index.php/events/nuclear-blackout/.

October

• Bog Commander, Peak District @ Heathylee House Farm (England): 6km, 12km & 18km: http://www.bogcommander.co.uk.
• The Major Series, Midlands @ Merevale Estate, Atherstone (England): 5km & 10km: http://www.majorseries.com/events/midlands (Defunct).
• The Major Series, South @ Eridge Park, Tunbridge Wells (England): 5km & 10km: http://www.majorseries.com/events/south (Defunct).
• Commando Challenge @ Woodbury Common, near Exeter (England): 4km & 10km: http://www.commandochallenge.co.uk.
• Gibraltar Rock Run @ Gibraltar (UK): http://www.gibrockrun.co.uk.
• Tough Guy: Mud Battles @ Wolverhampton, South Staffordshire (England): 7km, 12km & 21km: http://www.toughguy.co.uk/TG13-MUDBEVENTS.php.
• Back 2 the Trenches: The Big Push @ Fullers Wood Lane, Nuffield (England): 6km, 12km & 18km: http://www.back2thetrenches.co.uk/.
• Brutal 10: Woolmer @ Woolmer GU33 6AY (England): 10km: http://brutalrun.co.uk/race/woolmer/.
• Gurkha Challenge, The Gurkha Run: Salisbury Plain (England): 10km and half marathon: http://www.gurkharun.com/.
  •   Both races feature the INFAMOUS DOKO RACE. As part of the British Army’s recruitment process, the Gurkhas run in an uphill race carrying 75lb of stones on their back, but don’t worry, we will supply a MUCH lighter weight for you and the hill is not in Nepal!
• Tough Mudder: North West @ Cholmondeley Estate, Cheshire (England): 10-12m: http://toughmudder.co.uk/events/.
• Whole Hog Challenge: Suffolk @ Wantisden, Suffolk (England): 7m: https://www.mariecurie.org.uk/en-GB/events/adrenaline-experiences/whole-hog-suffolk/.

November

• The Pain Barrier @ Parkwood, Doncaster (England): 10km mud run: http://www.painbarrier.co.uk.
• Spartan Race: London @ Pippingford Park, East Sussex: 12m obstacle race: http://www.spartanrace.com/london-obstacle-racing-spartan-beast-2013.html.
• Brutal 10: Long Valley @ Long Valley, Hampshire (England): 10km: http://brutalrun.co.uk/race/longvalley/.
• Nuclear Fallout (Nuclear Races) @ Kelvedon Hatch, Brentwood (Essex): http://www.nuclear-races.co.uk/index.php/events/nuclear-fallout/.

December

• Brutal 10: Longmoor Camp @ Liss, Hampshire (England): 10km: http://brutalrun.co.uk/race/longmoor-29122012/.

Other OCR Events and Races Include:

• Total Warrior.
• Men’s Health Survival of the Fittest.
• No Ego Challenge: http://www.noegochallenge.com/.
• Rat Race Adventure Sports.
• JCB Mud Run.
• The Nuts Challenge: http://www.thenutschallenge.co.uk.
• Warrior Dash: http://www.warriordash.co.uk/.

Related Articles

• Tough Mudder: The obstacle courses for adults that are now worth $250m (independent.co.uk)
• Dressing up to play in the mud [Photos] (mnn.com)