50K ultra runs in South Wales
Find 50k ultra runs in South Wales 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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- Sat 18 Oct
- £16-£35
Scare Bear Run | Wales
Get involved in this spooky Scare Bear Run! The Care Bears were a staple of anyone who grew up in the 80s and even if you never liked them, they make a super cute (slightly scary) medal to earn.
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 22 Nov
- £16-£35
Smurf Run | Wales
Come and join this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
- Families
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 21 Dec
- £16-£40
A Christmas Carol Bobble Hat Run | Wales
Come and join in at the Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!
- Families
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 24 Jan 2026
- £22-£35
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
- Sun 1 Mar 2026
- £22-£35
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
- Sun 26 Apr 2026
- £22-£35
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