Ultra runs in UK
Find 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 18 Apr
- FREE-£175
Spring Trail Series
Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.
- Trail run 2
- 50K ultra run
- Ultra run 2
- Sat 18 Apr
- £16-£35
The London Run
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 18 Apr
- £139
Windsor 50 Ultra Challenge | 50km
Get active after Easter on a 50km challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.
- 50 km trail running + 320 m ascent
- Sun 19 Apr
- £33-£38
The Roman Ramble | Ultra Marathon
A relaxed, lap-based trail ultra through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.
- 6 hrs trail running
- Wed 22 - Sun 26 Apr
- £125-£350
- Early bird
Thames Ring Series
Take on this legendary 250-mile ultra following rivers and canals in a gruelling anti-clockwise loop through stunning countryside and historic towns within 100 hours.
- Ultra run 3
- Sat 25 Apr
- £52.50-£90.50
North Wales 50K & 100K
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
- 50K ultra run
- 100K ultra run
- Sat 25 Apr
- £45-£60
Calderdale Way Ultra
Set in the heart of the West Yorkshire moors, this ultra is the perfect addition to the spring running calendar with its open moorland, woodland trails, canals and scenic views.
- Ultra run 2
- Sat 25 Apr
- £90
Beyond Newcastle | 55K
Ready to go beyond your usual route? Start in Newcastle, escape to stunning trails and go beyond the ordinary with a fully supported 55km ultra adventure this springtime.
- 55 km trail running + 323 m ascent
- Sun 26 Apr
- FREE-£35
The Nearly But Not Quite London Marathon | Wales
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 26 Apr
- £37.50-£39.50
London Calling
Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!
- 7 hrs multi terrain running + 33 ft ascent
- Sun 26 Apr
- £33-£38
The Other Run | Ultra Marathon
On the same day as the famous marathon in London, why not come along to The "Other" Run? Complete an ultra and earn a Zig Zag medal too. Cover your Virtual London Marathon miles here!
- 7 hrs road running
- Fri 1 May
- £100-£102
Portland Pig BackYard Ultra
4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
- 1 day multi terrain running
- Sat 2 - Sun 3 May
- £39-£199
Isle of Wight Ultra Challenge
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
- Trail run 3
- 50K ultra run 3
- 100K ultra run 2
- Ultra run
- Sat 2 - Sun 3 May
- FREE-£290
Ultra X Scotland
Join Scotland’s biggest ultramarathon! Take on a true wilderness running adventure through the Scottish Highlands, with flexible distances and an unforgettable expedition feel.
- Ultra run 4
- Trail run 3
- Mon 4 May
- £16-£27
Bank Holiday Madness May
This Bank Holiday event is run as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 9 - Sun 10 May
- £95.50-£155.50
24 Hours South | The Offa's Dyke Ultra
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
- 24 hrs trail running + 8561 ft ascent
- Sun 10 May
- £16-£35
The Spring Lucky Dip Run
Come and join the Spring 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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 10 May
- £55
Something Wild Festival | Summit Wild Ultra
A stunning ultra trail race taking in the South West Coast Path on a fully-marked route with chip timing and eco medals for all, as part of the festival weekend!
- 50 km trail running
- Sun 10 May
- £60
Shires and Spires | Ultra
The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive
- 35 miles multi terrain running + 2052 ft ascent
- Sat 16 - Sun 17 May
- £39-£199
Jurassic Coast Ultra Challenge
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Ultra run
- + 1 more race
- Sat 16 May
- £16-£35
Rocky at 50 Run
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 16 May
- £26-£28
Lincolnshire Run
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Sun 17 May
- £85
Keswick Mountain Festival | adidas TERREX 50K Trail Ultra Marathon
The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
- 50 km trail running + 1800 m ascent
- Sun 17 May
- £37.50-£39.50
SoBo Series | Volume 3 | Good Vibrations
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sun 17 May
- £33-£38
The Birthday Run | Ultra Marathon
Zig Zag Running is 6 years old this month so why not come along and celebrate?! You are promised lots of cake!
- 40 miles multi terrain running