TrailHalf marathon (21.1K)

Snowdonia Trail Half Marathon Eryri

Llanberis, Wales

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When

Sunday, 11 July 2027

Start time: check the organiser

Where

Llanberis

Distance

Half marathon (21.1K)

Trail

Entry

£47.99–£49.99

Current tier through 31 December 2026: £47.99 affiliated or £49.99 non-affiliated. Check checkout for additional charges.

About the event

Snowdonia Trail Half Marathon Eryri takes place in Llanberis on 11 July 2027. Organised by Always Aim High Events. A mountain half marathon starting and finishing in Llanberis, with approximately 1,250 metres of climbing. Start time will be confirmed in final instructions. Check the organiser for final race-day instructions.

Organised by Always Aim High Events (opens in a new tab).

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Bookings are made on the organiser’s or authorised ticket provider’s website. Calendar downloads save the date only; they don’t update automatically.