Chiltern 50 Ultra Challenge

2026 EARLY BIRD DEAL

Sign up before 31 October and get your Full Charity Sponsorship place for just £10.

Don’t miss out - sign up today

Join our team

End your summer on a high and walk, jog or run the beautiful Chilterns countryside. With historic trails, rolling hills and wonderful scenery, this route has it all - and it’s all easily accessible from London.

Join on your own or as a team (families are welcome too) on Saturday 26 September and raise vital funds for Prostate Cancer UK along the way.

Location

Starting and finishing at a basecamp in Henley, this looped 50km challenge will take you on a varied route through historic trails, rolling hills and nature reserves, all with fantastic views.

Distance

Choose the distance to suit you, including 10km, 25km and 50km challenge options.

What you’ll get

• An inclusive and fun event with a great atmosphere and camaraderie.
• A fully signed route, with a team of ‘Trekmasters’ out on the trail with you.
• Regular covered rest stops, with free food and drink, massages and medics.
• Camping, transfer and parking options to make getting there and away easy.
• An epic finish line moment, with a glass of fizz, medal and t-shirt.

Sign up before 31 October and get your Full Charity Sponsorship place for just £10.

View full details of prices and sign up

We'll support you every step of the way

By choosing to support Prostate Cancer UK, you’ll be helping the 1 in 8 men affected by prostate cancer. We’ll be in touch in the lead up to your challenge to support your efforts with:

• A free Prostate Cancer UK branded t-shirt when you sign up.
• Top tips to help you prepare for your challenge.
• Fundraising advice, support and guidance on how to maximise your fundraising and reach your goal.
• Lots of fundraising materials to support your fundraising. We have posters, balloons, collection tins and more.
• A free Prostate Cancer UK reusable water bottle when you hit £500.

Sign up now

Get in touch

If you have any questions or would like further information about this event, please get in touch by email or give us a call on 020 3310 7034.

For further information about the challenge, please visit the event organiser's website.