Runs in Gwynedd
Find runs near me in Gwynedd for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 12 Jul
- £94.99-£104.99
- Sat 12 Jul
- £94.99-£104.99
XTERRA Snowdonia Ultra Trail Marathon Eryri
The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!
- Chip timing
- Enter online
- Mountainous
- Age 20 & over
- 57 km trail running + 2199 m ascent
- Sat 12 Jul
- £57.99-£61.99
- Sat 12 Jul
- £57.99-£61.99
XTERRA Snowdonia Trail Marathon Eryri
The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
- Chip timing
- Enter online
- Mountainous
- Age 18 & over
- 27.3 miles trail running + 1685 m ascent
- Sat 12 Jul
- £31.99-£37.99
- Sat 12 Jul
- £31.99-£37.99
XTERRA Snowdonia Trail 10K Eryri
A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.
- Chip timing
- Enter online
- Hilly
- Age 17 & over
- 9.8 km trail running
- Sat 12 Jul
- £44.99-£49.99
- Sat 12 Jul
- £44.99-£49.99
XTERRA Snowdonia Trail Half Marathon Eryri
Wales' spectacular mountain half marathon! A tough route with over 1,192m of ascent, most of which is up Wales’ highest peak, with incredible views all the way to Anglesey and a downhill finish too.
- Chip timing
- Enter online
- Mountainous
- Age 17 & over
- 12.9 miles trail running
- Sat 12 - Sun 13 Jul
- £121.99-£251.99
- Sat 12 - Sun 13 Jul
- £121.99-£251.99
Black Diamond Yr Wyddfa Snowdon24
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
- Chip timing
- Enter online
- Mountainous
- Relay
- Age 18 & over
- 24 hrs trail running
- Fri 5 Sep
- £195-£295
- Fri 5 Sep
- £195-£295
The Dee Way 120
This new Ultra distance event urges you to get to know this river and the great, varied country which accompanies it.
- Enter online
- GPS tracking
- All ages
- 50 hrs trail running
- Sun 1 Mar 2026
- £41.99-£49.99
- Sun 1 Mar 2026
- £41.99-£49.99
Jones o Gymru Anglesey Half Marathon
The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.
- Chip timing
- Enter online
- Undulating
- PB
- Age 17 & over
- 13.1 miles road running
- Sun 1 Mar 2026
- £29.99-£36.99
- Sun 1 Mar 2026
- £29.99-£36.99
Jones o Gymru Anglesey 10K
With breathtaking views of the Snowdonia National Park and the Menai Straits it's no wonder that this race has become a firm favourite. The flat/fast course attracts beginners and experienced runners.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Age 15 & over
- 10 km road running
- Sun 1 Mar 2026
- £9.49-£9.99
- Sun 1 Mar 2026
- £9.49-£9.99
Jones o Gymru Anglesey Dragons Dash
Returning once again is the hugely popular Dragon’s Dash/Ras y Ddraig junior race where 100+ young people from across North Wales will take part in this 1 mile run through the Menai Bridge.
- Chip timing
- Enter online
- PB
- Age 5 & over
- 1.3 miles road running
- Sat 31 May
Abersoch 10K and 3K Beach Race | 3K Beach Race
- 3 km multi terrain running
- Sat 21 Jun
Menai Holiday Cottages Abersoch Triathlon | Elvins Abersoch 1K Beach Sprint
- 1 km multi terrain running