Chiltern 50 Challenge
This 50 km looped route covers some of the best of the Chilterns countryside. You can walk, jog, or run along historic trails and rolling hills.
Event details
Date
27 September 2025
Location
Chiltern Hills
Distance
10, 25 and 50 km distances available
Registration fee
Full 50 km distance is £30 (other options available)
Fundraising target
Full 50 km distance is £375 (other fundraising options available)
About this event
Starting and finishing at our basecamp in Henley-on-Thames, there's a Saturday Night celebration BBQ and entertainment with camping options. Passing through nature reserves, forests, and a few hills with great views - it's a route with real variety, and some wonderful scenery - and it's all easily accessible from London.
As the RSPCA is an official partner of this event, you can sign up to support us and receive a 25% discount on the 'Full Sponsorship' registration fee.
Recommended resources
Fundraising
Training
Event highlights
- Finisher medal and T-shirt
- Snacks, drinks and hot food provided
- Covered rest stops every 12.5 km
- Fully signed route with medics and marshals
Support from us
We'll be there to help you every step of the way. If you join Team Animal you'll receive:
- Team Animal trekking T-shirt made from recycled plastic bottles.
- Dedicated fundraising support from our friendly events team.
- Fundraising materials to help you reach your target.
- Helpful training advice for your trek.
- A Facebook page to chat with your fellow trekkers.
- A Team Animal Strava group to share your training progress with fellow Team Animal trekkers.
Make an impact
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