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Ultra Challenge Calendar

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.

Join us for our 2026 Summer Series!

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

50% OFF Full Charity Sponsorship Fees!

Thinking about taking on an unforgettable challenge this autumn? May is the perfect time to sign up. For one month only, you can get an extra 50% OFF your Full Charity Sponsorship registration fee on selected September Ultra Challenge events — giving you the best possible start to your fundraising journey.

Events Included in the Offer

Take on one of these incredible challenges:

  • South Coast Ultra Challenge
  • Thames Bridges Trek
  • Thames Path Ultra Challenge
  • Chiltern 50 Ultra Challenge
  • Kent Downs 50 Ultra Challenge (Offer excludes all 10km events, including the Thames Moonlight 10 Challenge.)

How to Claim Your Discount

Simply use code PARTNER50% at checkout between 25 April – 31 May 2026. No hoops to jump through — just choose your challenge, enter the code, and you’re in.

Extra Perks This May

For September events, you can also choose our flexible Split Payment option: Sign up for £20 now and pay the balance on 31 July.

FREE entry into our brand‑new Camino Virtual Challenge with any May registration, across all events and funding types.

Find out more on the Ultra Challenge website

Find out more

Push yourself further in 2026, take on an Ultra Challenge – the UK’s No.1 Series of treks & trail challenges.