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Chiltern Challenge

Name: Chiltern Challenge
Start: 2025-07-19
End: 2025-07-19
Location: Princes Risborough

Princes Risborough, United Kingdom • 19 Jul 2025

The Humanity Direct Chiltern Challenge is a one-day ultra running event held in the scenic Chiltern Hills, starting and finishing at Princes Risborough School in the South East of England. Participants can choose from three distances: 10km, 25km, or 50km, with ascent gains ranging from 258 to 871 meters. The course follows well-marked circular routes using National Trails and footpaths, featuring multiple checkpoints with food and water for longer distances.

The event offers a supportive atmosphere with fully stocked aid stations, medical cover, free parking, transport from the train station, and refreshments at the finish. Entry fees support Humanity Direct, funding vital surgeries for children in developing countries. Visit the organization's website for the most recent information.

United Kingdom South East (England) Princes Risborough

Race information

Website

50 km

25 km

10 km

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Jul 18

Race The Light at Wendover Woods

An evening trail event at Wendover Woods on 18 July 2026 raising funds for the Chilterns Neuro Centre. It offers 10K, 5K and an accessible 1.5K with marked routes, chip timing and on-course support.

Sunday Jul 19

ATW St Albans Summer 10k

St Albans

10 km

A chip timed 10 km race around Highfield Park and the Alban Way in St Albans on 19 July 2026. The event village features a free family fun run, kids zone, live music and a charity partnership with Alzheimer’s Research UK.

Friday Jul 24

Saturn Running - Midweek Chasing Numbers

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Seven hour Time Challenge along the River Thames with distances from 3 km up to 50 km, fully signed laps, medals and distance pins, aid stations and vegan goody bags.

Friday Jul 24

Saturn Running - Egham

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A seven hour timed event on 24 July 2026 along the River Thames where runners choose their distance from a 3 km minimum up to 50 km, with medals, goody bags, aid stations and distance pins for longer achievements.