Cadair X Half Marathon
Gwynedd, United Kingdom · Saturday 17 October 2026
Take on a true test of endurance in the rugged terrain of Wales with the Cadair X Half Marathon. This challenging trail race ascends and descends the slopes of Cadair Idris, a majestic mountain in Snowdonia National Park. This race offers a chance to conquer a formidable peak. The views from the summit are a reward for those who dare to tackle this demanding course.
Difficulty Calculator
h
:m
:s
Adjusted Time
2:57:22
Time difference: +72.4 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain1107m
Elevation High886m
Elevation Low28m
Weather Forecast
High17°C
Low6°C
Chance of Rain0%
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