Snowdonia Marathon Eryri
Saturday, 24 October 2026In 13 days · Start 10:30
A brutal, beautiful lap of Yr Wyddfa (Snowdon) on mountain roads, climbing the Llanberis Pass and Bwlch y Groes, with short farm-track sections.
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Facts checked 10 Oct 2026 against marathoneryri.com, marathoneryri.com.
Course map
A detailed route is not available for this race yet. The marker shows the race location.
Elevation profile
Race-day weather
Race day in past years
Historical averages for 24 October ±3 days, 2016–2025, from 10:30 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.
Course records
- Men
- 2:28:02 · Jeff Norman (1985)
- Women
- 2:56:43 · June Cowper (1988)
As of the 2025 season.
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Plan your trip
Searches are set for Llanberis and the race weekend.
Gear for this race
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