15
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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- Sun 1 Mar
- £9.99-£49.99
Anglesey, Isle of Anglesey, UK
Jones o Gymru Anglesey Half Marathon and 10K
The most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!
- Families
- Carbon offset
- Recycling
- Beginner-friendly
- Plastic bottle free
- Music
- Event village
- Rural
- Free venue entry
- Sustainability policy
- Public transport links
- Plastic-free event
- Age 5 & over
- 10K run
- Half marathon
- Fun run
- Sat 11 - Sun 12 Jul
- £31.99-£319.99
Caernarfon, Gwynedd, UK
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.
- 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
- Sun 1 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK
Anglesey Trail Half Marathon & 10K
- 10K run
- Half marathon