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Ultra Challenge Calendar

Push yourself further in 2026, take on an Ultra Challenge – the UK’s No.1 Series of treks & trail challenges. Walk, jog or run the best of Britain! With 21 challenges, including 3 new events, the 2026 Ultra Challenge Series has an event for everyone.

2026 Early Bird Deal

Sign up from £10 and receive a free tech t-shirt worth £20!

How to sign up to an Ultra Challenge

Browse through the 21 events in the calendar and find the perfect one for you! You’ll need to select your distance and sponsorship option

Most events range from 100km, 75km, 50km, 25km and 10km options.

Find out more on the Ultra Challenge website