3 races
Event overview
Thousands of adventurers have taken on the Chiltern 50 Ultra Challenge® - part of the UK’s biggest and best series of treks and trail runs for a wide range of ages, fitness and experience levels which raises £10+ million a year for charities!
You’ll get full support all the way so you can set a new goal, conquer The Chilterns and push yourself further for an important cause. If you’re up for a charity challenge this year, make it the Chiltern 50 Ultra Challenge®.
The Ultra Challenge Experience
Do it at your own pace. The level of support enables you to go further. There are marquee rest stops, lots of food and drink, medical and massage teams, with a fully signed route to guide you.
A big finish-line celebration awaits with an amazing sense of achievement for you personally and also for your fundraising efforts.
Get Sponsored for Charity
You’ll be amazed how much you can raise on these tough challenges as friends and family will recognise and support your courageous endeavours! All fundraising goes directly to your charity via an online JustGiving page.
£10+ Million Fundraising
The series raises £10+ million a year for charities. Choose your distance, choose your charity, set up a JustGiving sponsorship page and make your challenge count!
Prefer to enter directly? General entry options are explained on the Chiltern 50 Ultra Challenge page.
Event photos
Event video
Charity places
Please select your distance to find a charity and join their team.
- Average fitness
- Beginner-friendly
- Event village
- Families
- Traders at event
Your challenge, your way
Whether you’re a walker and new to challenge events, an experienced trekker, a marathon enthusiast upping the distance, or a seasoned runner after ITRA points, there’s an Ultra Challenge® for you! Walk, Jog, or Run your chosen challenge – as an Individual or a Team, for a charity of your choice or just for you.
On the Full challenges, there’s a new Ultra Trailblazerz® option for ‘rapid runners’, and an Ultra March® option for ‘hasty hikers’, plus a friendly ‘Solo Challenger’ start time to join up with others.’
The Chiltern 50 Ultra Challenge® is fun, safe, and rewarding, with full support all the way, enabling you to push yourself further in stunning scenery. With camping options, parking and shuttle bus transfers, it will be a fantastic weekend in the Chilterns!
Best support & hospitality
This Ultra Challenge® famously lays on the best support and hospitality available on any UK endurance-style event. This enables you to step up and confidently tackle an 'Ultra' distance, with the best chance of success - and to enjoy your challenge!
- Bag transfer
- Bar
- BBQ
- Cafe
- Camping
- Music
- Paid parking
- Rural
- Secure bag storage
- Showers
- Toilets
- Urban
Event HQ
Henley Showground
Marlow Road
Henley-on-Thames
Buckinghamshire
RG9 3AS
UK
The support and friendliness of the staff and volunteers everywhere has been amazing - obviously all rest stops and walking through the finish line. Also the night-time route signage with the glow sticks was AMAZING!!
I love the level of support from everyone. There’s a great atmosphere and that’s part of why I love doing these challenges. My friend now loves them too!
