Last year we successfully extended the event to 24 hours and improved our Race Village. We extended the Race village and created a unique atmosphere, where finishing 6/12-hour runners could embrace their achievements and the 24-hour runners had support throughout. It was a festival of Running. This year we have added several features, many of […]
Award Winning 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 […]
Nuclear Fallout is a 6K gritty obstacle race on muddy Essex farmland, heavily loaded with 70+ natural & unique, high quality, big man-made obstacles designed & built to challenge all fitness abilities. Winners of four awards & UKs best overall mud & obstacle races 2015; expect epic mud & big but achievable obstacles – Deathslide, […]
NUCLEAR RUSH WEEKEND – Saturday 14th & Sunday 15th May. Nuclear Rush is a chip-timed 6/12k gritty obstacle race on muddy Essex farmland, heavily loaded with 70+ natural & unique, high quality man-made obstacles designed & built to challenge all fitness abilities. Winners of four awards including UKs best overall mud & obstacle races 2015; […]
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 or seasoned racers wanting to push their limits. • Run as many 5km daytime laps as […]
NUCLEAR RUSH WEEKEND – Saturday 14th & Sunday 15th May. Nuclear Rush is a chip-timed 6/12k gritty obstacle race on muddy Essex farmland, heavily loaded with 70+ natural & unique, high quality man-made obstacles designed & built to challenge all fitness abilities. Winners of four awards including UKs best overall mud & obstacle races 2015; […]
4 Nuclear laps…can you #GoBeyond? WINNER OF THE TOUGHEST OCR IN THE UK 2015 Oblivion 2016 is 48km of endurance obstacle racing. It’s the 2015 Mudathon distance with an even BIGGER twist. Designed to challenge the fastest and fittest obstacle race athletes out there; it’s our most brutal & unforgiving event. There’s 9 hours to […]
WINNERS OF BEST OVERALL MUD & OBSTACLE EVENTS 2014/15 Blackout is a 5km multi-lap obstacle loaded Night Race. This race will launch you out of your comfort zone. It ‘ll lead you in unknown territories, testing all of your senses to the maximum as you negotiate endless & overwhelming obstacles by the light of a […]
OBSTACLE RACING FOR CHILDREN – Saturday 14th & Sunday 15th MAY 2016 Nuclear Rookies are fun, pumped-up muddy obstacle courses for 4-14 year old kids of any fitness level. Rookies can test their skills on a specially designed fun 1.5/3km course filled with around 15 obstacles & guaranteed Nuclear M.U.D! Rookies will climb in & […]
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 […]
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 Wall @ Carlisle Castle to Gateshead Millenium Bridge, Carlisle, Cumbria, United Kingdom on 22 June 2013 […]
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Interactive Map… Races in your Area
Latest Races Listed…
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Bellingham Bay Marathon @ 2219 Rimland Dr Suite 301, Bellingham, WA, United States on 21 September 2025
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Lake Whatcom Triathlon @ 2219 Rimland Drive #301, Bellingham, WA, United States on 12 July 2025
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Couch Tater to 5K @ Aquaport, 2344 McKelvey Road, Maryland Heights, Missouri, United States on 16 February 2025
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Groundhogs Lap Race @ Haw River State Park Iron Ore Access, Greensboro, NC, United States on 01 February 2025
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Bellingham Off Road Triathlon @ 2219 Rimland Dr Suite 301, Bellingham, WA, United States on 17 August 2025
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Santa Hustle Race Series – 5K and Kids Dash @ Veterans Park, 1010 N. Lincoln Memorial Drive, Milwaukee, Wisconsin, United States on 21 December 2024
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Santa Hustle Race Series – Half Marathon, 5K and Kids Dash @ Beach Central, Seawall Boulevard, Galveston, Texas, United States on 22 December 2024
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Will Run for Beer 5K @ Lincoln Park, Chicago, Illinois, United States on 25 October 2025
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