Runs in Gwynedd in Summer
Find runs in Gwynedd 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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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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
- 50K ultra run
- 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