Runaway Racing - Chiltern Ridge Half Marathon

Wendover, United Kingdom • 6 Jul 2025

The Chiltern Ridge Half Marathon, organized by Runaway Racing, is a challenging 21.1 km trail race held along The Ridgeway National Trail in Buckinghamshire, UK. Starting and finishing in Wendover, the course features an undulating forest loop through Whiteleaf Hill Nature Reserve and offers stunning ridgeline views over the Chiltern Hills. With 526 meters of elevation gain, the fully marked route tests runners' strength and stamina on hilly, off-road terrain. The event supports the Chilterns Neuro Centre and includes two aid stations stocked with hydration and nutrition. Limited to 300 runners aged 17 and over, it is a UTMB World Series qualifier and part of a summer half marathon challenge series. Visit the organization's website for the most recent information.

Race information

UTMB 20K
13 mi
526 m+
Half Marathon
Visit the organization's website for the most recent information.
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