Silver Moon Race: Kings River @ Reedley College Farms, Reedley, CA, United States on 12 April 2025

The Silver Moon Race is about challenging yourself, taking your endurance ability, and miles to new heights. Perfect for those who want to elevate from half marathons to marathons to ultramarathons.

You’ll run in beautiful scenic locations in a 12K or for 6, 12, 24-hours, or 100-mile race on an awesome lap course. Go solo […]

ARCHIVED RACE: Grasmere Gallop @ The Sports Field, Stock Lane, Grasmere, England, United Kingdom on 03 June 2023

Grasmere Gallop has teamed up with the OMM Festival for an epic outdoor weekend in the Lake District, UK.

There’s an event to suit every age and ability, from the teddy bear dash to the fully waymarked Grasmere Gallop trail races and the adventure trail races of the OMM Lite, whether you are looking to […]

ARCHIVED RACE: Prove It 5K and 10K 2022 @ Camp Dearborn, Dearborn, MI, United States on 10 September 2022

This is always one of our favorite races. The race offers a unique challenge, and a way to compete on an even playing field with everyone! It will be changing venues for 2022 as the GM Milford Proving Ground is still not yet ready to open their doors to outside events due to COVID. This […]

ARCHIVED RACE: Silver Moon Race: Reedley @ Reedley College Farms & Private Property, Reedley, CA, United States on 16 April 2022

Where in the world is Reedley? It is one of our favorite hidden gems nestled in the San Joaquin Valley of central California where much of the fruit we enjoy is grown.

Experience running through a beautiful scenic farm with orchards, vineyards, under the canopy of oak trees, and along the majestic Kings River in […]

ARCHIVED RACE: Grand Mesa Ultras @ Grand Mesa – Mesa Top Trailhead, Cedaredge, CO, United States on 31 July 2021

– Good Old Fashioned Colorado Single-Track Mountain Trail Races @ High Elevation! – Cash $$ Prizes for 1st-3rd M/F ​ ($100 extra for course records) 50m = $200, $150, $100 55k = $125, $100, $75 30k = $100, $75, $50 – Custom Finisher Awards for 1st-3rd & Masters M/F – Awesome Post-Race Raffle – Sweet […]

ARCHIVED RACE: Cheddar Gorge Omnium @ Warren Farm, Charterhouse, Somerset, United Kingdom on 13 June 2020

An exciting new type of running challenge event. Runners will take part in four to five events, usually all on one day, and they are awarded points based on their finishing position; 1 point for first, 10 points for tenth etc. The overall standings are based on cumulative points, with the lowest score finishing first […]

ARCHIVED RACE: Canalathon 50km @ Sowerby Bridge Cricket Club, Sowerby Bridge, West Yorkshire, United Kingdom on 24 March 2019

Racing across mountains, hills, fells and trails in Ultra-marathon distances is great for the soul, much like in our Calderdale Way Ultra. However, the opportunity to record fast, flat miles over Ultra distances is not often achievable. For this reason, we created The Canalathon.

No navigation needed, no hill climbing necessary, just worry about getting […]

ARCHIVED RACE: Calderdale Way Trail Marathon @ Belholme Sports Park (set back off Rochdale Road), Todmorden, West Yorkshire, United Kingdom on 01 June 2019

The Stunning Calderdale Way Famed for its iconic landmarks, immense scenery and runnable hills, the trails and fells of the Calderdale Way are a favourite among runners and walkers from the North of England. It offers stunning views and takes on the best parts of the Pennine Way.

You may have experienced parts of the […]

ARCHIVED RACE: Calderdale Way Ultra Marathon @ Belholme Sports Park (set back off Rochdale Road), Todmorden, West Yorkshire, United Kingdom on 01 June 2019

Famed for its iconic landmarks, immense scenery and runnable hills, the trails and fells of the Calderdale Way are a favourite among runners and walkers from the North of England. It offers stunning views and takes on the best parts of the Pennine Way.

You may have experienced parts of the course in The Calderdale […]

ARCHIVED RACE: Cheddar Gorge Challenge Marathon @ Warren Farm, Charterhouse, Somerset, United Kingdom on 10 September 2017

Cheddar Gorge Challenge Marathon

** NEW start/finish location with a flat and short walk to the start **

The Cheddar Gorge Challenge races are amongst the most scenic events in the country! With a start and finish located right on the gorge edge you are in for some beautiful running. There is mixture of open fields, woodland running and […]

ARCHIVED RACE: Cheddar Gorge Chalenge 10km @ Warren Farm, Charterhouse, Somerset, United Kingdom on 10 September 2017

Cheddar Gorge Challenge 10km

** NEW start/finish location with a flat and short walk to the start **

The Cheddar Gorge Challenge races are amongst the most scenic events in the country! With a start and finish located right on the gorge edge you are in for some beautiful running. There is mixture of open fields, woodland running and […]

ARCHIVED RACE: Darley Moor May Bank Holiday Duathlon @ Darley Moor Race Circuit, Ashbourne, Derbyshire, United Kingdom on 28 May 2017

Darley Moor Duathlon

Back for it’s third year is Race One of our traffic free, fast, flat duathlons at Darley Moor Racing Circuit. Perfect for all abilities.

The event will comprise:

Run Leg 1 – 5km – Two laps of the path around the circuit Cycle Leg – 20km – Eight laps on the tarmac circuit Run Leg […]

ARCHIVED RACE: Dawn Chasers – 12 Hour Night Trail Run @ Wimbleball Lake, Exmoor, Dulverton, Somerset, United Kingdom on 22 April 2017

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Dawn Chasers: 12 Hour Night Trail Run – Wimbleball Lake 22nd-23rd April 2017

The stunning Wimbleball Lake on the edge of Exmoor is home to our very first Dawn Chasers: 12 Hour Night Trail Run on the night of Saturday 22nd through to Sunday 23rd April 2017. This endurance race is open to soloists as […]

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: 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: Brutal 12 hr Enduro @ Minley Training Land, Blackwater Valley, Hampshire, United Kingdom on 20 June 2015

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A 12 hour enduro run, over about a 10km route. Starting at 21:00 20 June and finishing at 09:00 on the 21 June, you can enter as a solo, pair or team. This will be a fantastic event for friends to team up, set up camp and complete this mammoth race. It’s also the perfect […]

ARCHIVED RACE: Hope24 @ Newnham Park, Plympton, Devon, United Kingdom on 09 May 2015

HOPE-24

A charity endurance event held in Plymouth. Open for individuals or teams of 2, 3, 5 or 8 on a five mile trail course. All proceeds split between Hope for Children and The Fire Fighters Charity. Free camping from Friday with on-site caterers, massage and technical tees and medals for all.

ARCHIVED RACE: Brutal Enduro @ Oakhanger Road, Bordon, Hampshire, United Kingdom on 21 June 2014

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What is this Enduro? The Brutal10 Enduro is a test of endurance rather than a mud run. Starting at 21:00, the 10km route will be a challenging trail run. Athletes run, throughout the night until 09:00 on 22 June, around the same 10km route.

Team – Either as a pair or team of 4-6 runners, […]

ARCHIVED RACE: Ultra Tour of Suffolk @ Wantisden hall, Wantisden, Woodbridge, Suffolk, United Kingdom on 06 September 2014

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The Ultra Tour of Suffolk is a beautiful race visiting some of the most stunning trails in Suffolk. The route weaves its way through Rendlesham forest, through the beautiful Snape Maltings and all the way out to the coast at Aldeburgh before tracing back in a great loop to Wantisden Hall. The race is extremely […]

ARCHIVED RACE: Salomon London Enduro 12 Hour @ Richard Evans Memorial Playing Fields, Roehampton Vale, London, United Kingdom on 14 June 2014

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Test yourself with the LE12. 12 hours of overnight running on Wimbledon Common!!

Run on your own or with team members in Londons only 12 hour overnight endurance event for runners and walkers on the 14/15th June 2014.

10k off road traffic-free laps with around 75 metres of climbing per lap will test your physical […]