Cure Parkinson's
Sign up for £22.50 Fundraise £275

Chiltern 50 Ultra Challenge | Henley 25km Loop | Cure Parkinson's

Here for the cure; working with urgency to find new treatments to slow, stop and reverse Parkinson’s. Support this great cause and join the Cure Parkinson's team taking part in Henley 25km Loop on Saturday 27 September. Sign up today for £22.50!

  • Sat 27 Sep 2025
Henley Showground, Henley-on-Thames

Henley 25km Loop

08:30

Age 14 & over

Sign up £22.50

Fundraise £275

  • 25 km trail running + 500 m ascent

Event overview

If you're keen to take on a proper challenge, shape up, re-energise and support an important cause, this ultra will help you go further than ever before - whether you walk, jog or run your way to the finish line.

You'll be supported all the way from the moment you sign up with an event app, online guides, forums and training walks. On the challenge there are safe venues, camping options, fully signed routes, chip timing, marquee rest stops, fantastic food and drink and expert safety, medical and welfare teams to get you over the finish line where you'll receive a huge cheer, medal, glass of fizz, t-shirt, massage, BBQ and more!

Challenge options

  • 50km Henley Basecamp Loop

    Starting at the base camp in Henley (you can camp on Friday before the Challenge, and on Saturday afterwards) set out Saturday morning for a continuous 50km challenge – finishing back in Henley. Youl’ll get full support all the way – and there are 3 rest stops en route.

  • 25km Henley Loop

    Take on the 25km looped route starting and finishing at the Henley base camp taking in the best of the scenery. With free parking and overnight camping options.

  • The Chiltern 10K

    A beautiful 10km looped route from the basecamp at Henley Showground. The route explores public footpaths and wonderful woodlands within the Culden Faw estate. You’ll be rewarded with a medal, glass of fizz and discounted hot meal to celebrate your achievements.

This event is part of Chiltern 50 Ultra Challenge.

  • Event village
  • Newcomers

Solo or with others

Taking on an ultra trek or run is a serious challenge and tough for most people, but also achievable with the right training plan which you'll get access to when you sign up. This challenge is fully supported meaning it's the perfect way to have-a-go at a longer distance.

Charity challenge

Fundraising for a cause close to your heart is part of the challenge and you'll receive a wealth of support, advice and tips from your chosen charity to make sure you smash your fundraising target.

  • Bag storage
  • Bag transfer
  • Bar
  • BBQ
  • Cafe
  • Camping
  • Free parking
  • Music
  • Rural
  • Showers
  • Toilets
  • Urban

Event HQ

Henley Showground
Marlow Road
Henley-on-Thames
Buckinghamshire
RG9 3AS
UK

  • Check points
  • Distance markers
  • First aid
  • Food stations
  • Marshals
  • Mass start
  • Sweeper
  • Toilets
  • Undulating
  • Water stations
  • Way markers

From Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village to finish back at Henley Showground.

Chiltern 50 route map
CHILTERN 50 ROUTE MAP
The shorter 25km loop option of the Chiltern 50 Challenge

  • Event app
  • Goody bag
  • GPS tracking
  • Map
  • Massage
  • Medal
  • Pre-event training sessions
  • Training plan
  • T-shirt

With weekend camping options at basecamp, a bar, BBQ, music and entertainment – there’s going to be a summer festival feel on this challenge!

Included before

  • Dedicated challenge app to help you prepare
  • Challenge manual and event guides
  • Training walks and runs
  • Kit and equipment lists – discounts and advice
  • Preparation videos and pre-event briefing
  • Online forums – meet fellow challengers

Included on the challenge

  • Rest stops every ~12.5km – covered with seating, toilets & rest areas
  • Free food and drinks – catering to all dietary requirements
  • First aid support – at stops and en route
  • Fully signed route and online maps
  • Chip-timing – keeping track of you
  • Trek Masters – to help guide you
  • Baggage transfer service
  • Emergency support and route pick-ups
  • Shuttles for retirees to take you forward
  • Bookable transfers before and after your challenge
  • Medal, t-shirt and glass of fizz at the finish

  • Age 14 & over
  • Entries open
  • Charity entries open
  • Charity places
  • Enter online
  • Event merch available
  • Series discount

14-17 year olds need to be accompanied by an adult.

Entry fees

Entry fee

£89.00