Course & Elevation

One of the most challenging marathons in the UK, featuring five significant climbs through the heart of Snowdonia National Park. The route traverses slate mining towns, remote valleys, and stunning mountain scenery, with the highest point near Pen-y-Pass offering panoramic views of Snowdon and surrounding peaks.

Course Facts

Distance 42.195 km
Elevation Gain 1,850 m
Surface road
Profile Mountainous

Weather on Race Day

9°C

Temperature

78%

Humidity

65%

Rain Chance

Cool, wet Welsh weather is typical with frequent rain showers and strong winds expected. Runners should prepare for changeable conditions and muddy sections.

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