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The Nuts Challenge is a 7-28k assault course UK adventure race in Surrey near London. Our next mud run is on 5th/ 6th March 2016, places fill up fast with limited availability.
You can run for charity or just for fun, the assault course is also available all year round and we run special obstacle […]
St Lukes Hospice have partnered up with Nuclear Races to bring you the craziest twist of Christmas and mud since they added vanilla to coke!
6km course distance over ultra-gritty, properly muddy, obstacle-loaded farmland set in the heart of the Secret Bunker Estate.
Nuclear Races are well known for delivering award winning events with big, […]
Commando Series, a 6km obstacle challenge is an endurance test like no other. Coming to Hever Castle in Kent on Saturday 14th November for the first time ever, Commando Series gives all ages and abilities the opportunity to experience the mud, sweat and pain of real, modern day, commando training, taking on 15 gruelling obstacles […]
5K Epic Mud Run at 2:00 PM at Midway Travel Plaza in Columbia Missouri on Saturday, August 15, 2015 end end
This is our 5th year doing our home town home-brewed mud and obstacle course race. We don’t just run you around a corn field here. Our course loops around the edges of St. Feriole Island, our towns 240-acre city park on the Mississippi River. We make full use of the abundant riverbank mud, and natural […]
Reebok Spartan Race, voted Best Obstacle Race in 2014 by racers, is the world’s leading obstacle racing series and the first of its kind to have global rankings. Spartan Race integrates obstacles with the natural terrain to create the best racing experience possible. Each course is unique, so racers never compete on the same course […]
Reebok Spartan Race, voted Best Obstacle Race in 2014 by racers worldwide, is the world’s leading obstacle racing series and the first of its kind to have global rankings. Spartan Race integrates obstacles with the natural terrain to create the best racing experience possible. Each course is unique, so racers never compete on the same […]
Reebok Spartan Race, voted Best Obstacle Race in 2014 by racers, is the world’s leading obstacle racing series and the first of its kind to have global rankings. Spartan Race integrates obstacles with the natural terrain to create the best racing experience possible. Each course is unique, so racers never compete on the same course […]
Spartan Race Obtacle Course Stadium Race.
The World’s Largest Assault Course returns to England’s finest Elizabethan Country Estate. A monstrous course will emerge with 200 obstacles scattered around a colossal 20 mile course. Once the running is over join us at sport’s most notorious after-party featuring Ash and the Craig Charles Funk & Soul DJ Set.
The Chattanooga Mud Run is 5k Mud Run/ Obstacle Course Race that benefits the work of Habitat for Humanity of Greater Chattanooga Area. Our course is located at Greenway Farms and combines natural terrain with a variety of built and dug obstacles. We offer solo runner and five person team options. Runners can chose to […]
5 AND 10K Obstacle challenges featuring 30+ natural and man made military inspired obstacles that will test you to the max.
Mother Nature is going to challenge you, man made obstacles will make this race an adventure. Set in the glorious Peak District with panoramic views over moorlands and rugged valleys, this 6km, 12km or 18km race promises cargo nets, slides, mud crawls, fiendish obstacles …. you get the idea. Rave reviews for the 2014 event, […]
BEAST yourself on an epic 10k obstacle race over rough terrain, dirt tracks and forest; take on 20 mega obstacles on the way; run solo or in a team; win brilliant prizes; do it for charity; eat and drink top-quality local produce; be in ridiculous fancy dress … Do any of this and more at […]
BEAST yourself on an epic 10k obstacle race over rough terrain, dirt tracks and forest; take on 20 mega obstacles on the way; run solo or in a team; win brilliant prizes; do it for charity; eat and drink top-quality local produce; be in ridiculous fancy dress … Do any of this and more at […]
“The Strong Race” is an international event, which is the first and only mass endurance race of this type in the Eastern Europe taking place since 2010. It includes cross-country running, as well as various elements of agility and strength disciplines. It is a sporting challenge for everyone since the race takes place in unusual […]
Willow Warrior will be the ultimate test of your strength, determination and resilience.
Bring out your inner tough guy this June with our 5k or 10k mud obstacle courses set in the vast grounds of Elms Park in Hertfordshire.
See if you have what it takes to overcome a series of challenging natural […]
The Kidney Wales Foundation Gauntlet Games is a fun interactive obstacle course race, suitable for people of any age and fitness ability. To successfully complete the challenge, you must pass through a series of zones, manned by Gladiators. Dodge the paint guns, balance on beams across muddy bogs with Gladiators ready to stop you, and […]
Blackout is a 5km multi-lap obstacle loaded night race. It will launch you out of your comfort zone, llead you into unknown territories, testing all of your senses to the maximum as you negotiate endless & overwhelming obstacles by the light of a headtorch. This course is designed to challenge the fears of claustrophobia, darkness […]
Nuclear Blast is a 5km obstacle loaded multi-lap course over mixed, muddy terrain suitable for all levels of fitness. Fun, exhilarating and achievable, it’s the night-time Blackout course but in daylight! Excellent introductory experience for first time obstacle racers with over 30 obstacles designed to test strength, power, speed, endurance, agility, stamina & balance. Race […]
Nuclear Fallout is our beast…
The wetter, colder and muddier race; the one you need to train for – take it for granted and it’ll bite you. It’s our last event of the year, so we throw everything at it – every obstacle Nuclear has is included and the 6km and 12km courses are muddier […]
Whether you’re a fitness fanatic or just looking for a new challenge, we’re welcoming all dog lovers and their canine chums to take part in the Muddy Dog Challenge and raise sponsorship to help the dogs and cats at Battersea.
This is the UK’s first obstacle course where animal lovers can compete in 2.5km and […]
Oblivion is a 26 mile/42km ultra mudathon designed to challenge the fastest and fittest of obstacle racers. Don’t underestimate its brutality as you will have 7.5 hours to complete the distance whilst tackling approximately 175 mixed obstacles. This event requires hardcore training as is the ultimate test of physical and mental endurance and strength. This […]
The Navy SEAL Bone Frog Challenge is a 9-12 mile Obstacle Course mud run with a minimum of 30+ Special Forces style obstacles.
Our obstacles are designed to test your functional fitness with the same style obstacles Navy SEALs use to train for combat.
You will NOT be electrocuted or covered in paint by the […]
The St. Paddy’s Engineer Challenge is a grueling off-road race that incorporates Marine-specific physical and mental tests and skills. The course was designed by Marines, for Marines. As its name implies, it is a race that will test your strength and determination! The course will include a variety of obstacles and mud pits that will […]
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Interactive Map… Races in your Area
Latest Races Listed…
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Valentines Live, Love, Run 5K/10K/13.1 @ Eleanor Tinsley Park, Houston, Texas, United States on 14 February 2026
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MLK Freedom Run 5K/10K/13.1 @ North East Metro Park, Pflugerville, Texas, United States on 17 January 2026
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Sinister 7 Ultra @ Crowsnest Pass, AB, Canada on 11 July 2026
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Shamrock Beer Run & BrewFest @ Golf Rd & Ring Rd, Rolling Meadows, Illinois, United States on 14 March 2026
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Formosa Spiked Apple 5k @ 3011 Formosa Gardens Blvd, Kissimmee, Florida, United States on 15 March 2026
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Carlyle Lake Triathlon @ Carlyle Lake, Carlyle Township, Illinois, United States on 20 September 2026
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Rodeo Stampede @ 2101 Mustang Dr, Marble Falls, Texas, United States on 28 March 2026
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Resolution Run 6K @ 4200 Vollmer Road, Olympia Fields, Illinois, United States on 01 January 2026
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