Snowdonia Trail Marathon Eryri
Llanberis, United KingdomChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
At a glance
Snowdonia Trail Marathon Eryri 2027 takes place on 10 July 2027 – 11 July 2027 in Llanberis, United Kingdom. Distances: 56.6 km, 44 km, 21.098 km, 9.8 km. Start at 05:00 from Llanberis.
- Date
- Saturday, 10 July 2027 – Sunday, 11 July 2027
- Location
- Llanberis, United Kingdom
- Start
- Llanberis
- Distances
- Snowdonia Ultra Trail Marathon Eryri · 56.6 km · Competitive
- Snowdonia Trail Marathon Eryri · 44 km · Competitive
- Snowdonia Trail Half Marathon Eryri · 21.098 km · Competitive
- Snowdonia Trail Eryri 10K · Competitive
- Start times
- Snowdonia Ultra Trail Marathon Eryri 05:00 · Snowdonia Trail Marathon Eryri 06:00 · Snowdonia Trail Half Marathon Eryri 07:00 · Snowdonia Trail Eryri 10K 08:00
- Entry fees
- Snowdonia Ultra Trail Marathon Eryri £99.99 · Snowdonia Trail Marathon Eryri £62.99 · Snowdonia Trail Half Marathon Eryri £47.99 · Snowdonia Trail Eryri 10K £32.99
- Registration
- Registration open · Register now ↗
- Organiser
- Always Aim High Events ↗
- Official website
- alwaysaimhighevents.com ↗
Last updated: 19 October 2026
The race
Snowdonia Trail Marathon Eryri takes place on Saturday 10 and Sunday 11 July 2027 in Llanberis.
Races on offer: Snowdonia Ultra Trail Marathon Eryri, Snowdonia Trail Marathon Eryri, half marathon and 9.8 km. Mountain races in Eryri National Park, starting and finishing in Llanberis and passing Rhyd Ddu, Beddgelert, Nant Gwynant and Pen y Pass: the marathon is about 44 km and the ultra about 56 km with 2,300 m of climbing. The 10K is on Saturday.
Organised by Always Aim High Events.
