15

50K ultra runs in Wales

Find 50k ultra runs near me in Wales 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.

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
Get involved in this spooky 50K! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
  • Sat 18 Oct
  • £22-£35
Aberdare, Mid Glamorgan, UK

Scare Bear Run | Wales | 50K

Get involved in this spooky 50K! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.

  • Enter online
  • Traffic free
  • Age 20 & over
  • 50 km road running
Get involved in this spooky, looped ultra! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
  • Sat 18 Oct
  • £22-£35
Aberdare, Mid Glamorgan, UK

Scare Bear Run | Wales | Ultra Marathon

Get involved in this spooky, looped ultra! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.

  • Enter online
  • Traffic free
  • Age 18 & over
  • 30.6 miles 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
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 Smurf medal and goody bag at the finish.
  • Sat 22 Nov
  • £22-£35
Aberdare, Mid Glamorgan, UK

Smurf Run | Wales | 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 Smurf medal and goody bag at the finish.

  • Enter online
  • 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 Smurf medal and goody bag at the finish.
  • Sat 22 Nov
  • £22-£35
Aberdare, Mid Glamorgan, UK

Smurf Run | Wales | 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 Smurf medal and goody bag at the finish.

  • Enter online
  • Traffic free
  • Age 18 & over
  • 30.6 miles 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, a bobble hat, themed medal and goody bag at the finish.
  • Sun 21 Dec
  • £27-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run | Wales | 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, a bobble hat, themed medal and goody bag at the finish.

  • Enter online
  • Age 20 & over
  • 50 km road running
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, a bobble hat, medal and goody bag at the finish.
  • Sun 21 Dec
  • £27-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run | Wales | 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, a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Age 18 & over
  • 30.6 miles road running
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
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
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
  • Sat 25 Apr 2026
  • £52.50
Prestatyn, Clwyd, UK

North Wales 50K

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

  • Chip timing
  • Enter online
  • GPS tracking
  • Age 18 & over
  • 50 km trail running + 2700 ft ascent
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
  • Sun 26 Apr 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

The Nearly But Not Quite London Marathon - Wales | 50K

Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
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.
  • Sat 6 Jun 2026
  • £53.50
Llangollen, Clwyd, UK

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.

  • Newcomers
  • Enter online
  • Event village
  • Rural
  • Age 21 & over
  • 50 km trail running + 5435 ft ascent
  • Sat 1 Nov
Hereford, Powys, UK

Black Beacon Mountain Races | 50K

  • 50 km trail running + 2200 m ascent

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