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50K ultra runs in UK

Find 50k ultra runs in UK in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Come and get involved in this Rise From The Ashes Run in Durham, as long as you complete at least 5km you will be rewarded with one of the incredible phoenix medals!
  • Sun 18 Jan 2026
  • £17-£27
Durham, County Durham, UK

The Rise From The Ashes Run - North | 50K

Come and get involved in this Rise From The Ashes Run in Durham, as long as you complete at least 5km you will be rewarded with one of the incredible phoenix medals!

  • Enter online
  • Age 20 & over
  • 50 km trail running
Come and join in Winter 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!
  • Sat 24 Jan 2026
  • £23-£35
Staines, Surrey, UK

The Winter Lucky Dip Run | 50K

Come and join in Winter 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!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!
  • Sat 24 Jan 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

Spice Up Your Run - Wales | 50K

If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 338 ft ascent
The aim of the midweek runs is to hold events 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.
  • Fri 6 Feb 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Feb | 50K

The aim of the midweek runs is to hold events 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.

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!
  • Sat 7 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Highland Hotfoot | 50K

Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
  • Sat 14 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Racoon Rocket Run | 50K

Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join in Smurf Run, who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
  • Sun 15 Feb 2026
  • £16-£27
Durham, County Durham, UK

Smurf Run | North

Come and join in Smurf Run, who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
  • Sat 21 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Rubber Ducky Dash | 50K

Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Take on lapped course through the stunning South Yorkshire Park country park of Rabbit Ings and reach the finish to hang your finisher's medal around your neck with pride.
  • Sat 28 Feb 2026
  • £54-£56
Barnsley, South Yorkshire, UK

Carry on in the Colliery | Ultra Marathon

Take on lapped course through the stunning South Yorkshire Park country park of Rabbit Ings and reach the finish to hang your finisher's medal around your neck with pride.

  • Chip timing
  • Enter online
  • Hilly
  • Age 21 & over
  • 30 miles trail running + 1572 ft ascent
There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 28 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Giraffe Gallop | 50K

There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
  • Sun 1 Mar 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run | 50K

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

  • Enter online
  • Age 20 & over
  • 50 km trail running
The aim of the midweek runs is to hold events 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.
  • Fri 6 Mar 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar | 50K

The aim of the midweek runs is to hold events 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.

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 7 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Panda Plod | 50K

There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Fast, flat, PB-grabbing ultra on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. First-time ultra runners welcome.
  • Sat 14 Mar 2026
  • £54-£56
Leeds, West Yorkshire, UK

Spring Time Canal Canter | Ultra

Fast, flat, PB-grabbing ultra on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. First-time ultra runners welcome.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 21 & over
  • 32 miles trail running + 59 ft ascent
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
  • Sat 14 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Sloth Scamper | 50K

Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join for Dashing Dog Charity run in the beautiful Dare Valley Country Park in Wales, not only is the scenery beautiful and you will earn one of the awesome medals...
  • Sun 15 Mar 2026
  • £24-£38
Aberdare, Mid Glamorgan, UK

The Dashing Dog Charity Run - Wales | 50K

Come and join for Dashing Dog Charity run in the beautiful Dare Valley Country Park in Wales, not only is the scenery beautiful and you will earn one of the awesome medals...

  • Enter online
  • Age 20 & over
  • 50 km road running + 135 ft ascent
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
  • Sat 21 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Flying Fox | 50K

Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals...
  • Sun 22 Mar 2026
  • £25-£40
Staines, Surrey, UK

The Dashing Dog Charity Run | 50K

Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals...

  • Enter online
  • Age 20 & over
  • 50 km road running
The Way of the Dead (formerly the 'Dartmoor Traverse East to West') returns for the second year, with a 50K Dartmoor Traverse route from east to west.
  • Sat 28 Mar 2026
  • £49
Newton Abbot, Devon, UK

Way of the Dead 50K

The Way of the Dead (formerly the 'Dartmoor Traverse East to West') returns for the second year, with a 50K Dartmoor Traverse route from east to west.

  • Age 18 & over
  • 50K ultra run
"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!
  • Sat 28 Mar 2026
  • £23-£35
Staines, Surrey, UK

Milkshake Meander | 50K

"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar 2026
  • £54-£56
Shipley, West Yorkshire, UK

Sir Titus March Mayhem | Ultra Marathon

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • Chip timing
  • Enter online
  • Flat
  • Age 21 & over
  • 52 km trail running
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!
  • Sun 29 Mar 2026
  • £17-£29
Durham, County Durham, UK

Fraggle Run - North | 50K

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!

  • Enter online
  • Age 20 & over
  • 50 km trail running
The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!
  • Thu 2 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Orange Run | 50K

The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!
  • Fri 3 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Pink Run | 50K

The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
The Eggcellent Easter Green Run is the third event in the five day series where you can earn the fantastic easter egg medal, this time in green!
  • Sat 4 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Green Run | 50K

The Eggcellent Easter Green Run is the third event in the five day series where you can earn the fantastic easter egg medal, this time in green!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent

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