50K ultra runs in UK
Find 50k ultra runs in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 6 - Sun 7 Jun
- £39-£199
Lake District Ultra Challenge
Take on England’s finest countryside at your own pace with stunning views all the way, featuring the Garburn Pass, historic Ambleside, a halfway point by Lake Windermere, forests and nature reserves.
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Sat 6 Jun
- £53.50
The Llangollen 50K
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
- 50 km trail running + 5435 ft ascent
- Sat 6 Jun
- £23-£35
Strawberry Shortcake Scamper | 50K
Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her for your 50K!
- 50 km road running
- Sun 7 Jun
- £23-£35
The Summer Lucky Dip Run | 50K
Come and join the Summer Lucky Dip Run! There is no set medal for this race, instead, you will get to choose your own from a selection of medals from past events!
- 50 km road running
- Sat 13 Jun
- £60-£62
Bewl Water Summer | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
- 50 km trail running + 1500 ft ascent
- Sun 14 Jun
- £23-£35
Labyrinth 40th Anniversary Run | 50K
Come and celebrate the 40th anniversary of the iconic film released in 1986! A cult classic from the 80s, one of Charlotte's favourite films, and who doesn't love David Bowie as the Goblin King!
- 50 km road running
- Sat 20 Jun
- £60-£185
Race to the King
Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!
- 100K ultra run
- 50K ultra run 2
- Trail run
- Charity ultra
- Sat 20 - Sun 21 Jun
- £49-£199
North Yorks Ultra Challenge
Set to be one of the greatest Ultra Challenges, venture from Scarborough’s historic seafront to wild moorland trails, and discover the dramatic Yorkshire coastline with a powerful celebration finish.
- 100K ultra run 2
- 50K ultra run 2
- Trail run
- 10 miler
- Sat 20 Jun
- £32.50
Exmoor Perambulation | Ultra Trail Marathon
66th edition! The Perambulation is Exmoor National Park’s iconic traditional self-navigated circular long-distance event dating back over 725 years and now you can run the full distance!
- 30 miles trail running
- Sun 21 Jun
- £17-£29
Lord of The Run | North | 50K
Come and join in for Lord of The Run 50K run! Whether you love the series of books and the film franchise or you just fancy a run along the beautiful River Wear, then this is the event for you!
- 50 km trail running
- Sun 5 Jul
- £23-£35
Will Run For Ice Cream | 50K
A run that you don't want to miss! The medal is incredible, and you can celebrate your achievements with some well-deserved ice cream!
- 50 km road running
- Sat 11 - Sun 12 Jul
- £90-£275
Race to the Stones
Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.
- 50K ultra run 2
- 100K ultra run 3
- Sat 11 - Sun 12 Jul
- £31.99-£319.99
Snowdonia Trail Marathon Eryri Events
Your chance to take on one of the UK’s most demanding and spectacular trail races, set deep in the heart of Eryri (Snowdonia) National Park, offering a true mountain challenge.
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- Sat 11 Jul
- £23-£35
Ooops I Ran It Again | 50K
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- 50 km road running
- Sat 18 - Sun 19 Jul
- £49-£199
Gower Peninsula Ultra Challenge
Set on the stunning Gower Peninsula, the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches, limestone cliffs, wild moors, ridges and woodlands.
- 100K ultra run 2
- Ultra run
- 50K ultra run 2
- Marathon
- Multi-terrain run
- + 1 more race
- Sun 19 Jul
- £17-£29
Ooops I Ran It Again | North | 50K
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- 50 km trail running
- Sat 25 Jul
- £22-£35
Ooops I Ran It Again | Wales | 50K
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- 50 km road running
- Sun 26 Jul
- FREE-£115
Ultra X Wales | 50K
Nestled in the hills of the Brecon Beacons, run or walk through wild hills on marked, rugged trails, with big views and remote landscapes in a supportive, adventure-focused trail running experience.
- 50 km multi terrain running + 2166 m ascent
- Sat 1 Aug
- £20-£65
She Strides Ultra 50K
West Yorkshire’s very first female-only ultra-marathon! Travelling through woodlands and open moorland, this scenic route passes through Hebden Bridge and Haworth as well as other areas of beauty.
- 50 km trail running + 5000 ft ascent
- Sun 9 Aug
- £50-£55
Durty Trail Weekender | 50K Hills & Horizons
A challenging 50K across mixed terrain, with sustained climbs, long miles, and expansive views across the Borders, built for experienced runners chasing a true ultra test.
- 50 km trail running + 1585 m ascent
- Sun 9 Aug
- £23-£35
Great British Bake Run | 50K
Who doesn't like cake?! The Great British Bake 50K Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!
- 50 km road running
- Sun 30 Aug
- £17-£29
GNR & Time Turner | Durham | 50K
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the ultra for you!
- 50 km trail running
- Sat 5 Sep
- £65-£67
Heights Ultra Trail | The Ramsden 50K
A demanding 50km ultra through Yorkshire’s wildest trails, built to test endurance and resilience while rewarding runners with epic scenery, big climbs and a powerful sense of achievement.
- 50 km trail running + 3901 ft ascent
- Sat 12 Sep
- £60-£62
Bewl Water Autumn | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
- 50 km trail running + 1500 ft ascent
- Sun 13 Sep
- FREE-£110
Ultra X England | 50K
From rolling hills to woodland paths, this is an opportunity to test endurance, build trail confidence and enjoy a professionally supported experience designed for runners and walkers alike.
- 50 km multi terrain running + 1961 m ascent