Ultra runs in Wales
Find ultra runs in Wales in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 7 Dec
- £51.50
Sea 2 Summit | Offa's Dyke Ultra Marathon
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
- Chip timing
- Enter online
- Age 18 & over
- 33 miles trail running
- 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
- £16-£35
Spice Up Your Run | Wales
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! Come and celebrate all things Spice Girls!
- Families
- Newcomers
- Fancy dress
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 1 Mar 2026
- £16-£35
St Davids Day Dragon Run
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- Families
- Newcomers
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 15 Mar 2026
- £18-£38
The Dashing Dog Charity Run - Wales
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...
- Families
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 25 Apr 2026
- £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.
- Newcomers
- Event village
- Age 18 & over
- 50K ultra run
- 100K ultra run
- Sun 26 Apr 2026
- FREE-£35
The Nearly But Not Quite London Marathon - Wales
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
- Families
- Newcomers
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 9 - Sun 10 May 2026
- £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.
- Newcomers
- Chip timing
- Enter online
- GPS tracking
- Event village
- Rural
- Age 18 & over
- 24 hrs trail running + 8561 ft ascent
- Sat 6 Jun 2026
- £53.50
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 11 - Sun 12 Jul 2026
Snowdonia Trail Marathon Eryri Events
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- Sun 18 Oct 2026
- £51.50
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
- Sat 13 Dec
Celtic Trail Races | Ultra
- 34 miles trail running + 5194 ft ascent
- Sat 25 Apr 2026
EnduranceLife - Pembrokeshire | Ultra
- 34.7 miles trail running + 3864 ft ascent