Runaway Adventures - North Chilterns 50K

Luton, United Kingdom • 12 Oct 2025

North Chilterns 50K is Runaway Racing’s 50-kilometre trail ultramarathon based at Putteridge Bury Country House (LU2 8LE). The course follows the Chiltern Way toward Lilley, then Warden and Barton Hills, before heading to Pegsdon Hills and Offley, finishing with final 12 km. Runners enjoy undulating, trail terrain with views across North Chilterns, including Warden Hill and Pegsdon Hills.

The route is fully marked with orange markers and marshals; participants must carry a map or GPS. There are three aid stations with water, Coke and Precision Fuel & Hydration products, snacks. Prizes cover top finishers and age groups; TRA permit; max 250 entrants; finishers medal; 9-hour limit. Visit the organization's website for the most recent information.

Race information

UTMB 50K
50 km
798 m+
50k Ultra
Visit the organization's website for the most recent information.
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