Snowdonia Trail Marathon Eryri
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About the race
The Snowdonia Trail 10K Eryri takes place in Llanberis on 10 Jul 2027 as part of the Snowdonia Trail Marathon Eryri weekend. The route covers 10K (9.8 km) of trail through Eryri (Snowdonia) National Park and is described as a fully supported trail race with on-course marshals, signage, energy stations and support vehicles.
The event includes a lively race village with music, commentary, shopping, food, kit demonstrations and toilets. Chip timing and live online results provide professional timing and results. Finishers receive event-specific mementos designed to reflect the location and local history.
Family-friendly provisions are highlighted, including family finishes and the Dolbadarn Dash, a 500m kids fun run held on the event field. The suggested entry for the Dolbadarn Dash is £3 payable on the day, with all proceeds donated to the Llanberis Mountain Rescue Team; race timing for that dash is to be confirmed.
The 10K sits alongside other races at the weekend, including a marathon, half marathon and ultra marathon on the following day. Event services are bilingual, with signs, registration and commentary available in English and Welsh. The organisers note the scenic nature of the setting with views across Eryri. Visit the organization's website for the most recent information.
