Race detail
Marathon Eryri (Snowdonia Marathon) 2026 Entry, Date & Race Info
Llanberis, Wales, UK
Last checked: 2 May 2026
Quick summary
Marathon Eryri (formerly the Snowdonia Marathon) is one of the UK’s most iconic marathons, known for its challenging course and stunning scenery in North Wales.
Next race
Saturday, 24 October 2026
Location
Llanberis, Wales
Distance
Marathon
Surface
Road
Upcoming dates
Choose a date and check the latest entry options.
| Date | Start time | Status | Entry |
|---|---|---|---|
Sat, 24 Oct 2026Next race | TBC | TBC | Details |
Race overview
About Marathon Eryri (Snowdonia Marathon)
Marathon Eryri (formerly the Snowdonia Marathon) is one of the UK’s most iconic marathons, known for its challenging course and stunning scenery in North Wales. Set within Eryri (Snowdonia) National Park, this race is better suited to runners seeking a tough, memorable marathon rather than a fast personal best.
If you're looking for a scenic UK marathon with elevation and atmosphere, the Snowdonia Marathon consistently ranks among the most rewarding and demanding races in the UK.
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Frequently asked questions
Is Marathon Eryri (Snowdonia Marathon) 2026 entry open?
Entry information for the 2026 Marathon Eryri (Snowdonia Marathon) is currently to be confirmed. This race usually sells out fast.
When is Marathon Eryri (Snowdonia Marathon)?
Marathon Eryri (Snowdonia Marathon) takes place on Saturday, 24 October 2026.
What is the Marathon Eryri (Snowdonia Marathon) course like?
Marathon Eryri (formerly the Snowdonia Marathon) is one of the UK’s most iconic marathons, known for its challenging course and stunning scenery in North Wales. Set within Eryri (Snowdonia) National Park, this race is better suited to runners seeking a tough, memorable marathon rather than a fast personal best.
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