• Dates throughout the year

    • Sponsorship:

      View all events to find out more information

Are you a regular walker and new to endurance events? Perhaps a seasoned trekker looking for testing adventures? Or even a marathon runner wanting to 'up' your distance? Whether it's along magnificent coastal scenery, or in stunning open countryside, there’s an Ultra Challenge for you. As Rainbow Trust is an official partner on this event, you get a 25% discount on the ‘Full Sponsorship’ registration fee when signing up to support us.

Walk, Jog or Run at YOUR pace on the Ultra Challenge Series event of your choice. Join 30,000 others of all ages & experience in 2024 for an unforgettable Challenge. It will be rewarding, fun, and absolutely achievable with your resolve and determination alongside first class support. There's regular rest stops with free food & drink, a fully signed route, and a great atmosphere.

Push yourself further - Full Challenge, Half, Quarter & some 10km options also available

- London 2 Brighton Ultra Challenge 25 - 26 May 2024

- Lake District Ultra Challenge 8 - 9 June 2024

- Cotswold Way Ultra Challenge 22- 23 June 2024

-North Downs 50 Ultra Challenge 20 July 2024

- South West Coast 50 Ultra Challenge 3 August 2024

-London Summer Walk 24 August 2024

-South Coast Ultra Challenge 7 - 8 September 2024

-Chiltern 50 Ultra Challenge 28 September 2024


1. Full Sponsorship – you pay a small registration fee, do lots of fundraising and we cover the cost of your event place! As we are an official Charity Partner – you get 25% off the standard reg fee below • 100km: Normal Reg Fee £40 & Fundraising Target - £575 • Shorter distances and lower fundraising targets are also available!

2. Mixed Funding – pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost. • 100km: Reg fee £100 / fundraising target £300 • Shorter distances and lower fundraising targets are also available!

3. Own Place Fundraising – you pay the full cost of the event place - fundraise whatever you can, with no set target or deadline, and there’s no event place cost at all to the charity - us! • 100km: £198 • Shorter distances and entry fees are also available!