About This Race
The 13-mile route winds through the undulating chalk hills and woodlands of the Chilterns, featuring a well-stocked refreshment point just past halfway. Spring and autumn editions follow slightly different paths to showcase seasonal variations in this accessible trail running destination.
The 13-mile route winds through the undulating chalk hills and woodlands of the Chilterns, featuring a well-stocked refreshment point just past halfway. Spring and autumn editions follow slightly different paths to showcase seasonal variations in this accessible trail running destination.
Elevation Profile
The course gains 89m over 21km, with the steepest section between km 26–km 26.
Course Map
Route shown is approximate and for illustration purposes.
Practical Info
LHR - London Heathrow
Accommodation available nearby Tring. Event organizers provide recommendations upon request.
Best For
Notable Features
This guided half marathon emphasizes community and trail education over competition, with qualified Run Leaders providing technique instruction throughout the course. The intimate 50-person field ensures personalized attention, while the accessible location just 40 minutes from London by train makes it ideal for urban runners seeking their first trail experience.