Chiltern 50 challenge
Location: Base camp in Henley Showground
When: 27 September 2025
Distance: 10km, 25km or 50km, it’s your choice
Registration fee: From £10
The challenge
A challenge event you can take on at your pace. The Chiltern 50 Challenge invites you to walk, jog or run a distance of your choice, along a signed route, with free food and drink at regular rest stops, plus support including medics, marshals and massage. This 50km looped route covers some of the best of the Chilterns countryside. You can Walk, Jog, or Run along historic trails and over rolling hills. Starting and finishing at a Base Camp in Henley Showground, there's a Saturday night celebration BBQ and entertainment with camping options. Passing through nature reserves, forests, and a few hills with great views - it's a route with real variety, and some wonderful scenery - and it's all easily accessible from London. With 25km and 10km challenge options also available - there's a challenge here for everyone – and you can join as an individual or as a team of friends / family. You may have to dig deep at times, you’ll meet new friends along the way, and the journey will be unforgettable! As you cross the finish line, you’ll get a big welcome from the cheer squad, a glass of fizz, t-shirt, and a special medal to celebrate your achievement.
What you’ll get:
✓ Inclusive & fun event with a great atmosphere and camaraderie
✓ Walk, jog, or run – it’s your challenge, your way!
✓ A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
✓ Regular covered rest stops, with free food & drink, massages and medics
✓ An epic finish line moment, with a glass of fizz, medal and t-shirt
✓ Camping, transfer and parking options to make getting there & away easy
✓ Full fundraising support, and a choice of fundraising options
Sign up options
There are 3 different sign up options to choose from. If you choose an option that has a minimum fundraising amount, at least 50% of the fundraising is required 3 weeks before the event. Our fundraising team is on hand for any fundraising support and advice you need.
Full sponsorship option
50km challenge
£40 registration fee
£375 minimum fundraising target
25km challenge
£30 registration fee
£275 minimum fundraising target
10km challenge
£20 registration fee
£100 minimum fundraising target
Mixed fundraising option
50km challenge
£75 registration fee
£225 minimum fundraising target
25km challenge
£50 registration fee
£150 minimum fundraising target
10km challenge
£22.50 registration fee
£70 minimum fundraising target
Own place option
50km challenge
£139 registration fee
Fundraise whatever you can
25km challenge
£89 registration fee
Fundraise whatever you can
10km challenge
£39 registration fee
Fundraise whatever you can
