Trail Ultra runs in Wales in Summer
Find trail ultra runs in Wales in Summer - 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 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.
- Beginner-friendly
- Enter online
- Event village
- Rural
- Age 21 & over
- 50 km trail running + 5435 ft ascent
- Sat 11 - Sun 12 Jul 2026
- £31.99-£319.99
- Early bird
Snowdonia Trail Marathon Eryri Events
Your chance to take on one of the UK’s most demanding and spectacular trail races, set deep in the heart of Eryri (Snowdonia) National Park, offering a true mountain challenge.
Early bird on now
- Families
- Recycling
- Beginner-friendly
- Plastic bottle free
- Dogs allowed at venue
- Music
- Event village
- Event expo
- Mountains
- Free venue entry
- Sustainability policy
- Public transport links
- Plastic-free event
- Age 17 & over
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- Sat 25 - Sun 26 Jul 2026
- £1,195
Ultra X Wales
Nestled in the hills of the Brecon Beacons, Ultra X Wales offers 6 events: 110km single stage, 110km over two stages, a 60km, 50km, 25km and 12km event.
- Beginner-friendly
- Enter online
- Sustainability policy
- Age 18 & over
- Ultra run 4
- 50K ultra run
- Multi-terrain run 2