The Chiltern 10K
Sat 27 Sep 2025 Henley-on-Thames, Buckinghamshire, UK

The Chiltern 10K

A beautiful 10km looped route from the basecamp at Henley Showground. The route explores public footpaths & wonderful woodlands within the Culden Faw estate.

Charity places
  • Sat 27 Sep 2025
Henley Showground, Henley-on-Thames > Henley Showground, Henley-on-Thames

The Chiltern 10K

10:00

Age 15 & over

£39

  • 10 km trail running + 235 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

Route

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

What's included

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

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.

All charity places
Mental health

Mind

The mental health charity.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£10

Fundraise
£100

Children

Young Epilepsy

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

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£15

Fundraise
£100

Cancer

Macmillan Cancer Support

No one should have to face cancer alone.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£10

Fundraise
£100

All charity places

  • Age 15 & over
  • Entries open
  • Charity entries open
  • Charity places
  • Enter online
  • Event merch available
  • Series discount

Entry fees

Entry fee

£39.00