THE ORIGINAL SNOWDONIA TRAIL MARATHON
Events / Trail Running
XTERRA Snowdonia Trail Marathon 2023
Welcome to the XTERRA Snowdonia Trail Marathon, a stunning Trail Marathon, Ultra Marathon, Half Marathon and 10k, starting and finishing in Wales' outdoor capital, Llanberis. Entering the XTERRA Snowdonia Trail Marathon is your ticket to compete in one of the UK's most challenging trail races.
The incredible routes explore the trails, gorgeous panoramic views and tough climbs that make Eryri (Snowdonia) National Park so popular with outdoor enthusiasts. Visiting Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, and Yr Wyddfa (Snowdon), there surely can't be a more striking trail marathon route in the UK!
The Ultra Marathon and Marathon are both UTMB indexed races.
Choose your distance
XTERRA Snowdonia Trail Marathon 2023
10k
09 Jul 2023
Run: 9.8km
XTERRA Snowdonia Trail Marathon 2023
Half Marathon
09 Jul 2023
Run: 12.9miles
XTERRA Snowdonia Trail Marathon 2023
Marathon
09 Jul 2023
Run: 27.3 miles
XTERRA Snowdonia Trail Marathon 2023
Ultra Marathon
09 Jul 2023
Run: 57km
What's Included
Lively Event Village
Music, commentary, shopping, food, kit demos 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 Snowdonia
Professional Timing
Chip timing, live tracker and online results
'If you are looking for a challenge, the Snowdonia Trail Marathon is up there with the toughest in the UK. A punishing and beautiful experience in equal measure, ensure this one is on your bucket list'.
2019 Participant
Event Information
XTERRA Snowdonia Trail Marathon 2023
FAQs
XTERRA Snowdonia Trail Marathon 2023
Travel & Accommodation
XTERRA Snowdonia Trail Marathon 2023
Info for Locals
XTERRA Snowdonia Trail Marathon 2023
Volunteer
XTERRA Snowdonia Trail Marathon 2023
Gallery
XTERRA Snowdonia Trail Marathon 2023
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 environment
Tees for Trees
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