The shortest of the common ultra distances at just over 30 miles, 50K ultra marathons are the best introduction to ultra running. But the 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 your location to find 50K ultra runs in your area or scroll down to browse events coming up.
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.
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.
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.
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.
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.
The half-distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
The half distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
Spectacular trail running event featuring the Brecon and Monmouthshire Canal, the Llangattock Escarpment, Black Mountains, Sugar Loaf and Brecon Beacons with full support, top reviews and epic medals!
An exciting and spectacular event starting near Table Mountain and exploring the nearby Black Mountains, with incredible support guaranteed.
Select your location for 50K ultra marathons in your area.