ARCHIVED RACE: NUCLEAR RUSH WEEKEND @ Secret Nuclear Bunker, Kelvedon Hatch, Brentwood, Essex, United Kingdom on 20 May 2018

Nuclear Rush is a full weekend of the UK’s best obstacle course racing for adults (7-12k) & children 4-14yrs. We seriously #lovemud & have all kinds of unique, challenging & exciting obstacles on our permanent site, which put together make for the muddiest, fun & totally epic experience ever!

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ARCHIVED RACE: Rat Race Runstock @ Boughton House, Geddington, Kettering, United Kingdom on 09 June 2018

Runstock

From Fun Runner to Ultra Runner and from Rugrats to Racing Rats, Runstock packs a 5k lapped off-road course with a glorious summer Festival feel. Suitable for runners from 5 to 95, choose to run solo, with a team or with the whole family. The idea is to clock as many laps as you wish […]

ARCHIVED RACE: Grit OCR @ East Walker Ranch Open Space, Santa Clarita, CA, United States on 17 February 2018

Grit OCR

Prepare to experience a new obstacle course race (OCR) that digs deep and challenges you to push yourself to new levels of physical endurance and strength fitness. Located in the spectacular mountains north of Los Angeles in Santa Clarita, California. Featuring amazing trails, punishing obstacles, killer hills, and epic panoramic views and an awesome race […]

ARCHIVED RACE: Your First Mud Run at Garfield @ Century Field, Garfield, New Jersey, United States on 27 May 2017

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Your First Mud Run is the ONLY mud run in the country designed so both parents and kids can run together. Our courses are 1.5 – 2 miles and include 10 – 16 obstacles that are designed for adults and kids. If you ever thought about doing a mud run, ours is the perfect “first […]

ARCHIVED RACE: Payne Games Pippingford Park @ Pippingford Park, Nutley, East Sussex, United Kingdom on 14 October 2017

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Payne Games Pippingford Park is a fun adventure obstacle course with a combination of classic and unique obstacles set in a unique area of outstanding natural beauty without the pain from fire, ice or electric shocks. Be prepared to climb, crawl, jump, swing and manoeuvre yourself through our course as you help fellow participants complete […]

ARCHIVED RACE: The Naomi House & Jacksplace Gauntlet Games @ Matterley Bowl Estate, Ovington, Alresford, United Kingdom on 13 May 2017

The Naomi House & Jacksplace Gauntlet Games is a unique obstacle course race themed around Gladiators. The obstacles are all focused on fun and include challenges against real Gladiators, as well as giant inflatables, foam, slides, as well as monkey bars, walls and crawls. A highlight is the giant rope swing onto an air bag […]

ARCHIVED RACE: Wolfpack Ninja Tour @ Denver University Magness Arena, Denver, CO, United States on 29 & 30 April 2017

Wolfpack Ninja Tour Poster

The Wolfpack Ninja Tour is a show, a competition for EVERYONE to challenge themselves, a chance to hang out with all the top ninjas and a place for kids to take classes from their TOP NINJA Heroes such as Geoff Britten, Jessie Graff, Meagan Martin, Joe Moravsky, Brian Arnold and many more!

During the weekend […]

ARCHIVED RACE: The Naomi House & Jacksplace Gauntlet Games @ Matterley Bowl Estate, Ovington, Alresford, United Kingdom on 13 May 2017

Alresford 10K RACES

The Naomi House & Jacksplace Gauntlet Games is a unique obstacle course race themed around Gladiators. The obstacles are all focused on fun and include challenges against real Gladiators, as well as giant inflatables, foam, slides, as well as monkey bars, walls and crawls. A highlight is the giant rope swing onto an air bag […]

ARCHIVED RACE: Payne Games Friston Forest @ Friston Forest, Exceat, East Sussex, United Kingdom on 15 July 2017

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Payne Games Friston Forest is a fun adventure obstacle course with a combination of classic and unique obstacles set in a unique area of outstanding natural beauty without the pain from fire, ice or electric shocks. Be prepared to climb, crawl, jump, swing and manoeuvre yourself through our course as you help fellow participants complete […]

ARCHIVED RACE: Moddershall Mucky Ducks @ Moddershall Oaks Country Spa, Staffordshire, United Kingdom on 25 September 2016

Moddershall Mucky Ducks

After our hugely successful fun run in 2015 Moddershall Mucky Ducks is back for 2016!! Our friendly but fiesty 5k is made of obstacles, hills, water & mud. All ages & abilities can run, jog or walk through the entire challenge!

Run, duck, dive & splash through the Staffordshire countryside in your very own Moddershall […]

ARCHIVED RACE: BattleFrog Obstacle Race Series Greater Atlanta II @ Buford, Georgia, United States on 12 November 2016

Coach Pain leading the way, HOOYAH!

The BattleFrog course is a total test for people of all fitness levels from ages 13 and up. The approximate 8K course will take you through 22+ military-inspired obstacles that will be sure to test your body, mind and spirit.

Volunteers and race officials are throughout the course to motivate you through the obstacles and […]

ARCHIVED RACE: Trailtroopers Castle Dangerous OCR @ Douglas & Angus Estate, Douglas, South Lanarkshire, United Kingdom on 13 August 2016

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Obstacle Race with lots of natural and man made obstacles over a 12k for adults with a 3k family/kids option. end end

ARCHIVED RACE: Nuclear Fallout 12K @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 12 November 2016

NUCLEAR FALLOUT

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 […]

ARCHIVED RACE: NUCLEAR FALLOUT 6K @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 12 November 2016

NUCLEAR FALLOUT

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, […]

ARCHIVED RACE: Rat Race Man vs Lakes @ Graythwaite Estate, Ulverton, Cumbria, United Kingdom on 09 July 2016

MVL2016

Rat Race are proud to introduce Man vs Lakes: The most adventurous marathon-distance running journey in the UK. This is 26.2 miles like nothing you have experienced. Begin with an audacious and surreal crossing of the quicksand of Morecambe Bay before tackling a rollercoaster running route through the Lake District’s Mountains. Then prepare to face […]

ARCHIVED RACE: NUCLEAR RUSH @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 14 May 2016

The 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; […]

ARCHIVED RACE: NUCLEAR BLAST @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 17 September 2016

NUCLEAR BLAST

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 […]

ARCHIVED RACE: NUCLEAR RUSH @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 14 May 2016

The Deathslide at The Nuclear Races

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; […]

ARCHIVED RACE: NUCLEAR OBLIVION @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 15 May 2016

Nuclear Oblivion

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 […]

ARCHIVED RACE: NUCLEAR BLACKOUT @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 17 September 2016

Nuclear Blackout Night OCR

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 […]

ARCHIVED RACE: NUCLEAR ROOKIES @ Kelvedon Hatch Secret Nuclear Bunker, Brentwood, Essex, United Kingdom on 14 May 2016

NUCLEAR ROOKIES OCR FOR KIDS

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 & […]

ARCHIVED RACE: Your First Mud Run @ Holyoke Community College, Holyoke, MA, United States on 18 September 2016

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Your First Mud Run is the ONLY mud run in the country designed so both parents and kids can run together!

Our courses are 1.5 – 2 miles and includes 10 – 16 obstacles that are designed for adults and kids. If you ever thought about doing a mud run, ours is the perfect ‘first […]

ARCHIVED RACE: The Muddy Mucker© @ Chiswell Green Lane, St Albans, Hertfordshire, United Kingdom on 10 April 2016

The Muddy Mucker©

The Muddy Mucker© returns at the brand new location of Chiswell Green, St Albans!

Join us at 10am on Sunday 10 April 2016 and test your endurance in a 5 mile obstacle challenge. The event is open to anyone over the age of 16 (under 18s must have parental consent to take part).

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ARCHIVED RACE: St Lukes Santa MUD Run – Nuclear Races @ Secret Nuclear Bunker, Kelvedon Hatch, Brentwood, United Kingdom on 14 November 2015

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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, […]

ARCHIVED RACE: Color Sunday Adventure Challenge @ Powderhorn Mountain Resort, Mesa, CO, United States on 27 September 2015

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Please join us on Color Sunday Sunday, September 27th, at Powderhorn Mountain Resort to participate in the 10K Thigunawat trail run race and/or the 3K Team Adventure Run.

The 10K Thigunawat individual trail run race will be run on a similar spectacular course as 2009, 2010, 2012 and 2013 (9:30 am) (unlike the rain-shortened course […]