Anglesey's Most Beautiful Trail Race
Events / Trail Running / Cani Cross
Anglesey Trail Half Marathon & 10K 2025
Sister event of the Jones o Gymru Anglesey Half Marathon, the Anglesey Trail Half Marathon & 10km is set in the beautiful surroundings of Newborough Forest & Traeth Llanddwyn, Anglesey.
The course takes you through the trees onto the stunning Llanddwyn Island and onwards to beautiful winding woodland trails which once hosted the Commonwealth Mountain and Ultra Distance Running Championships. You’ll catch glimpses of the Llyn Peninsula and the mountains of Eryri (Snowdonia) amongst other incredible views. With loads of single track forest trails, quiet forest views and sandy running trails, there is something for everyone in this race whether you're an experienced runner, first timer or you’re more familiar with road running.
This was a SOLD OUT event for 2024; make sure you get your entries in quick!
Choose your distance
Anglesey Trail Half Marathon & 10K 2025
10k
09 Nov 2025
Run: 10km
Anglesey Trail Half Marathon & 10K 2025
Half Marathon
09 Nov 2025
Run: 21.1km
Anglesey Trail Half Marathon & 10K 2025
10K Canicross
10 Nov 2024
Run: 10km
What's Included
Lively Event Village
Music, commentary, shopping, food, bag drop and toilets
Family Friendly Vibes
Family finishes and plenty to see and do
On Course Support
Friendly marshals, signage, energy stations and support vehicles
Unique Finisher Mementos!
Beautifully designed to reflect our event locations and local history.
Spectacular Scenery
Unbeatable views across Eryri (Snowdonia)
Professional Timing
Chip timing & live online results
“Thanks for an amazing run today, loved the half marathon. Stunning location and really well organised “
2023 Participant
Event Information
Anglesey Trail Half Marathon & 10K 2025
FAQs
Anglesey Trail Half Marathon & 10K 2025
Travel & Accommodation
Anglesey Trail Half Marathon & 10K 2025
Info for Locals
Anglesey Trail Half Marathon & 10K 2025
Volunteer
Anglesey Trail Half Marathon & 10K 2025
Gallery
Anglesey Trail Half Marathon & 10K 2025
Race Reports
We are proud that all our events are bilingual. Signs, registration and commentary are available in English and Welsh.
Event Partners
Working with local communities
Looking after our environment
Find out more about Looking after our environmentTees for Trees
Find out more about Tees for Trees