Chiltern-50-Ultra-Challenge-2-jpg

What we love

Wonderful scenery Great atmosphere Epic support crew
Chiltern-50-Ultra-Challenge-2-jpg

Chiltern 50 Ultra Challenge

Saturday 27 September 2025
whereChiltern Hills difficultyvarious

What we love

  • Wonderful scenery
  • Great atmosphere
  • Epic support crew
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Click here for more info.

🚶‍♀️🏃‍♂️ Walk, jog or run.

🏅 10K, 25K or 50K.

🌟 Sign up with Young Lives vs Cancer to get 75% off your registration fee when you choose the full sponsorship option.

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. Get the ‘Ultra Challenge’ support & hospitality all the way – helping you to push yourself further and achieve something really special for Young Lives vs Cancer.

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 & finishing at a Base Camp in Henley Showground, there’s a Saturday night celebration BBQ & 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.

For more information, including detailed route options, head to the Ultra Challenge Series website. 

SIGN UP

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