Ultra marathons are any run longer than a marathon (26.2 miles or 42.2 km) - the most common distances are 50K, 100K and 100 miles. Despite this, distance is not always the key challenge with ultra runs - the total ascent gives a much better indication of how hard it will be. Select a specific distance, your location for ultra runs in your area or scroll down to browse events.
Featured events are listed below - select your region to see all events.
Featured events are listed below - select your region to see all events.
The first half of the Isle of Wight circuit explore 52km of scenic coastal trails, enjoy spectacular coastal views along the undulating route with plenty of rest stops to keep you well fuelled.
An epic challenge, making a full 106km circuit of the Isle of Wight, starting and finishing in Chale, enjoy well stocked rest stops and superb scenery every step of the way.
The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.
Starting in Cowes, follow a clockwise route along the eastern side of the Isle of Wight, enjoying superb coastal views en route to the finish line at Chale.
A 56km challenge, taking in around 750m of ascent, initially following the path of the River Thames, before exploring the North Downs en route to the finish at Turners Hill
Walk, jog or run the journey from Capital to Coast, over the North and South Downs. A fully supported challenge leaving Richmond-upon-Thames for the finish line at Brighton Racecourse.
The second half distance option of the London to Brighton Challenge starts from Turners Hill, crossing the South Downs National Park before arriving at Brighton.
Walk, jog or run the full 100km London to Brighton route, over two daytime sessions, with an overnight stop at the Basecamp at Turners Hill.
Take on the first half of the full 100km challenge, starting from Basecamp in Kendal to the far side of the beautiful Lake Windermere.
Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.
Take on the full 100km challenge during the hours of daylight, split over the two days. Enjoy the whole incredible route, whilst also getting a well-deserved overnight sleep.
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
Take on the full 100K Race to the King ultramarathon in one go. Fully supported through day and night on a route combining castles and coastal scenery.
Run or hike the UK's most iconic ultramarathon and conquer 70 miles in 26 hours over a fully waymarked journey through Hadrian's Wall country. Ideal first ultra.
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.
Take on a 100km challenge, making a fully supported loop from Cirencester, exploring the picturesque, undulating terrain of the Cotswolds on a spectacular challenge.
Walk, jog or run the full 100km challenge, split over two days, with a well deserved nights sleep at the half way basecamp, to recharge your batteries overnight.
The half-distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
Take on a 100km challenge, starting and finishing at the Bakewell Showground on a fully supported exploration of the beautiful Peak District National Park.
Undertake the full 100km challenge, split over two days, to allow a good nights rest and appreciate the glorious scenery during the daytime.
The half distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
Take on the full 100K Race to the Stones ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route.
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point.
Guides, tips and advice on running an ultra marathon.
To celebrate Global Running Day, we're rounding the best unsung marathons, half marathons and more in the UK!
Take on an epic endurance challenge with one of the most popular ultra runs in the UK, from traditional fell runs to the UTMB World Series!
Ultra marathons are some of the greatest tests of endurance on the planet and yield unforgettable experiences - if you're well prepared.
Select your location for ultra marathons in your area.
