Chiltern 50 Challenge
Walk, jog or run through the beautiful Chiltern countryside. And together, we can find a cure for Parkinson's.
Location
Chiltern
Date
27 September 2025
Sign up fee
Between £20 and £75
Sign up before 30 April with code PUK25 for up to 75% off!
Sponsorship
Between £70 and £375
Event details
Join Team Parkinson's on this looped route covering some of the best of the Chilterns countryside. Ending at Henly Showground with a Saturday night celebration and BBQ.
When you take on this challenge for Parkinson's UK you'll get:
- up to 75% discount on our charity place sign up fees until 30 April with code PUK25
- a free Parkinson's UK technical T-shirt, fundraising pack and sponsorship forms
- complimentary food and drink
- a medal and a glass of bubbly when you finish.
Choose your fundraising option
Charity sponsorship
Full Challenge (50km)
Sign up fee: £40
Minimum sponsorship: £375
Half Challenge (25km)
Sign up fee: £30
Minimum sponsorship: £275
10km Challenge
Sign up fee: £20
Minimum sponsorship: £100
Mixed funding
Full Challenge (50km)
Sign up fee: £75
Minimum sponsorship: £225
Half Challenge (25km)
Sign up fee: £50
Minimum sponsorship: £150
10km Challenge
Sign up fee: £22.50
Minimum sponsorship: £70
Other Ultra Challenges
Ultra Challenge has been organising unforgettable adventures for over 20 years. From coastal paths to historical trails, there's an adventure for everyone. Explore the 19 other Ultra Challenge events throughout the year.
Contact details
Get in touch with us at events@parkinsons.org.uk or call 020 7963 3966.
