Runs in Gwynedd
Find runs in Gwynedd in 2026/2027 - 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 30 May
- £12-£28
Abersoch 10K and 3K Beach Race
The Ty Gwyn Abersoch 10K is an exhilarating race with a memorable atmosphere in a most stunning part of the world, with a 3K Beach Race, golden sands, live music and beach bar too!
- 10K run
- Fun run
- Sat 20 Jun
- £7.50-£110
Menai Holiday Cottages Abersoch Triathlon
Experience a sheltered sea swim, ride scenic coastal roads, and a multi-terrain run to a stunning beach finish in an unforgettable triathlon with electric atmosphere and standout support.
- Sprint triathlon
- Olympic triathlon
- Fun run
- Sat 11 - Sun 12 Jul
- £31.99-£319.99
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.
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- Sat 25 - Sun 26 Jul
- FREE-£280
Ultra X Wales
Nestled in the hills of the Brecon Beacons, run or walk through wild hills on marked, rugged trails, with big views and remote landscapes in a supportive, adventure-focused trail running experience.
- Ultra run 4
- Multi-terrain run 2
- Sat 15 Aug
- £44-£70
Run to the Castle Ultra
Take on a stunning ultra journey along the Welsh coastline, finishing in style at a historic castle. It's an unforgettable challenge packed with scenery, heritage, and adventure.
- Marathon
- Ultra run
- Fri 18 - Sat 19 Sep
- £5-£35
Dioni Abersoch Coast Trail
Immerse yourself in the stunning views of Abersoch bay at this iconic event which is well and truly on the trail running map, including 20K and 10K distances along tracks, trails and beach.
- Fun run 2
- 10K run
- Trail run
- Sun 1 Nov
- £28.99-£51.99
Anglesey Trail Half Marathon & 10K
Anglesey's most beautiful trail race, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.
- 10K run
- Half marathon
- Sat 14 Nov
- £61.50
The Anglesey 3 Peaks Run Challenge
Run the three peaks of Anglesey: a guided 55km ultra linking the island’s highest summits on spectacular coastal and inland trails, finishing at beautiful Lligwy Beach.
- 55 km trail running
- Sun 7 Mar 2027
- £9.99-£53.99
Jones o Gymru Anglesey Half Marathon and 10K
Discover a new perspective on racing in North Wales with the Jones o Gymru Anglesey Half Marathon & 10K, now set in the heart of rural Ynys Môn (Anglesey).
- 10K run
- Half marathon
- Fun run
- Sat 12 - Sun 13 Sep
- £6-£35
Beaumaris Run Fest Weekend
- Fun run 3
- 10K run
- Half marathon