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Ultra Challenge Events

Exciting Challenges for 2026!

Looking for a challenge that pushes your limits, helps you get fit, or creates unforgettable memories with friends? If so an Ultra Challenge® is for you!

You don’t need to be a budding elite athlete – Ultra Challenges are for everyone, walk, jog, or run, you can take it at your own pace and raise funds for Heartburn Cancer UK.

Explore breath taking coastal paths or scenic countryside trails. Make new friends, enjoy the camaraderie, and take on the journey for a cause close to your heart. It will be rewarding, fun, and absolutely achievable with your resolve and determination alongside first class support, including a fully signposted route, regular rest stops, and free refreshments.

 Join 35,000 others of all ages and take on an unforgettable Challenge in 2026! 

Take a look at the 2026 Ultra Challenge Calendar!

For more information and to register click on each event detailed below.


11 September 2026: Take on either a spirited Friday evening 10km or an energetic 10-mile looped route walk through the heart of London as darkness falls, and the Moon rises – and fundraise for Heartburn Cancer UK!
12 & 13 September 2026: England’s greatest river provides a fantastic backdrop for an unforgettable challenge, which you can take on at your pace as a walk, jog, or run – and fundraise for Heartburn Cancer UK!
5 & 6 September 2026: The South Downs National Park is a superb backdrop for 2000 adventurers to take on a real challenge, and you can take it on at your pace as a walk, jog, or run – and fundraise for Heartburn Cancer UK!
10 October 2026: An end of season Ultra Challenge in the ‘Garden of England’. A basecamp near Maidstone, join up to 2,000 adventurers and you can take it on at your pace as a walk, jog, or run – and fundraise for Heartburn Cancer UK!
26 September 2026: A 50km looped challenge in some of the Chilterns finest countryside, with historic trails, rolling hills, nature reserves, with fantastic views. Join up to 2,000 adventurers and take it on at your pace as a walk, jog, or run – and fundraise for Heartburn Cancer UK!
12 September 2026: Join 2500 walkers and trek 10 or 25 km across the Capital with unrivalled views of the skyline & landmarks – and you can fundraise for Heartburn Cancer UK!
31 October 2026: Why not risk a hair-raising hike around some of the City’s scary streets and historic haunts and raise money for Heartburn Cancer UK!
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