Charity places in Henley 25km Loop
Sat 27 Sep 2025 Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Henley 25km Loop

The shorter 25km loop option of the Chiltern 50 Challenge from Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village.

Charity places

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.

Charity places

These charities have places in the event. To secure your place, select a charity and complete the form to ask a question or get signed up.

Social welfare

Alcohol Change UK

Working to end serious alcohol harm in the UK.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£30

Fundraise
£275

Children

Make-A-Wish UK

Creating life-changing wishes for children with critical illnesses.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Health and Medical

Epilepsy Society

Transforming the lives of people with epilepsy through world-leading research, advocacy and care.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Children

NSPCC

Every childhood is worth fighting for.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Animals

Cats Protection

For a world where every cat is treated with kindness and an understanding of its needs.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Health and Medical

Cure Parkinson's

Here for the cure; working with urgency to find new treatments to slow, stop and reverse Parkinson’s.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Children

Young Epilepsy

Informing, educating, inspiring, and engaging to help young people with epilepsy.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Health and Medical

Stroke Association

Rebuilding lives after stroke.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£22.50

Fundraise
£275

Mental health

Mind

The mental health charity.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£15

Fundraise
£275

Children

Dreams Come True

Making dreams come true to bring joy to seriously ill children.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£30

Fundraise
£275

Cancer

Macmillan Cancer Support

No one should have to face cancer alone.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£1

Fundraise
£275

  • 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

Fundraising

  • Fundraising materials
  • Fundraising support