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50K ultra runs in UK

Find 50k ultra runs near me in UK for 2025/2026 - filter by date or location, 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.

Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.
  • Sat 20 Sep
  • £60
Hope Valley, Derbyshire, UK

Peak District Challenge | Bronze Challenge 50K

Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.

  • Enter online
  • GPS tracking
  • Hilly
  • Age 16 & over
  • 50 km trail running + 1140 m ascent
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic, looped route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 20 Sep
  • £22-£35
Aberdare, Mid Glamorgan, UK

Fraggle Run | Wales | 50K

Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic, looped route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Traffic free
  • Age 20 & over
  • 50 km trail running
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on a scenic, looped route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 20 Sep
  • £22-£35
Aberdare, Mid Glamorgan, UK

Fraggle Run | Wales | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on a scenic, looped route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Traffic free
  • Age 18 & over
  • 30.6 miles trail running
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | 50K

Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
  • Sat 27 Sep
  • £139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 920 m ascent
Welcome to a 6-hour timed running event where you can run an ultra at your own pace on a flat, looped route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 27 Sep
  • £26-£28
Lincoln, Lincolnshire, UK

Runaway Challenge | Ultra Marathon

Welcome to a 6-hour timed running event where you can run an ultra at your own pace on a flat, looped route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 32 miles trail running + 301 ft ascent
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | 50K

Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles trail running + 0 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 3 Oct
  • £20-£27
Egham, Surrey, UK

Midweek Chasing Numbers Oct | 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
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 5 Oct
  • £23-£35
Staines, Surrey, UK

The Autumn Lucky Dip Run | 50K

Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km road running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 5 Oct
  • £23-£35
Staines, Surrey, UK

The Autumn Lucky Dip Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles road running + 0 ft ascent
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
  • Sat 11 Oct
  • £139
Maidstone, Kent, UK

Kent Downs 50 Ultra Challenge | 50km

Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
  • 50 km trail running + 1000 m ascent
You will step onto Scotland’s most storied battlefields, where warriors once fought for freedom, embarking on an epic journey through history, treading in the footsteps of legends. Are you ready?
  • Sat 11 Oct
  • £95-£216
Stirling, UK

William Wallace 50km Ultra

You will step onto Scotland’s most storied battlefields, where warriors once fought for freedom, embarking on an epic journey through history, treading in the footsteps of legends. Are you ready?

  • Enter online
  • GPS tracking
  • Hilly
  • Fundraising optional
  • Age 18 & over
  • 50 km multi terrain running + 602 m ascent
Come and join Saturn Running for our spooky Scare Bear Run!
  • Sun 12 Oct
  • £17-£29
Houghton le Spring, Tyne and Wear, UK

Scare Bear Run - North | 50K

Come and join Saturn Running for our spooky Scare Bear Run!

  • Enter online
  • Age 20 & over
  • 50 km road running
Come and join Saturn Too for our spooky Scare Bear Run!
  • Sat 18 Oct
  • £22-£35
Aberdare, Mid Glamorgan, UK

Scare Bear Run - Wales | 50K

Come and join Saturn Too for our spooky Scare Bear Run!

  • Enter online
  • Age 20 & over
  • 50 km road running
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
  • Sun 19 Oct
  • £49.50
Corwen, Clwyd, UK

Brenig Way 50K Trail

This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.

  • Newcomers
  • Enter online
  • GPS tracking
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 50 km trail running + 1450 m ascent
Come and get involved in this spooky Scare Bear Run!
  • Sat 25 Oct
  • £23-£35
Staines, Surrey, UK

Scare Bear Run | 50K

Come and get involved in this spooky Scare Bear Run!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 6-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a Guy Fawkes medal and goody bag at the finish.
  • Sat 1 Nov
  • £22-£34
Northampton, Northamptonshire, UK

Reason To Treason Run-Powder Plot | 50K

Welcome to a 6-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a Guy Fawkes medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 198 ft ascent
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.
  • Sat 1 Nov
  • £35.50-£37.50
Ware, Hertfordshire, UK

Catherine Wheel Canter | Ultra Marathon

Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 50 km track and field
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.
  • Sat 1 Nov
  • £35.50-£37.50
Ware, Hertfordshire, UK

Guy Fawkes Gallop | Ultra Marathon

Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 50 km track and field
A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.
  • Sun 2 Nov
  • £53-£55
Knaresborough, North Yorkshire, UK

Old Mother Shipton's Soft Shoe Shuffle | Ultra Marathon

A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.

  • Undulating
  • Age 21 & over
  • 32.5 miles trail running + 1790 ft ascent
Welcome to a 6-hour timed running event where you can run an ultra marathon at your own pace on a flat, out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 8 Nov
  • £26-£28
Lincoln, Lincolnshire, UK

Remembrance Run | Ultra Marathon

Welcome to a 6-hour timed running event where you can run an ultra marathon at your own pace on a flat, out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 32 miles trail running
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 50K ultra, then a Remembrance medal, goody bag and special pin.
  • Sun 9 Nov
  • £26-£38
Egham, Surrey, UK

Remembrance Day Run | South | 50K

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 50K ultra, then a Remembrance medal, goody bag and special pin.

  • Enter online
  • Flat
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, an ultra run, then a Remembrance medal, goody bag and special pin.
  • Sun 9 Nov
  • £26-£38
Egham, Surrey, UK

Remembrance Day Run | South | Ultra Marathon

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, an ultra run, then a Remembrance medal, goody bag and special pin.

  • Enter online
  • Flat
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent

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