Help us to stop bowel cancer

Ultra-Challenge Series

The Ultra Challenge Series offers a series of distances ranging from 25km to 100km. With multiple routes to choose from there is something for everyone.

Each event is fully supported with rest stops every 12.5km fully stocked with drinks, snacks and hot meals. What's more you can get a massage to soothe your aching legs and will be greeted at the finish line with a glass of bubbly and your medal.


South Coast Challenge

This challenge takes on some of England’s finest scenery and makes for an unforgettable August bank holiday weekend.

  • Date: 26-27 August 2017
  • Distance and sponsorship:
Full challenge 100km: £70 registration fee, £395 minimum sponsorship
Half Challenge 50km: £50 registration fee, £275 minimum sponsorship
Quarter Challenge 23km: £40 registration fee, £150 minimum sponsorship


Sign up now

Thames Path Challenge

Due to be the biggest challenge of the Series, the Thames Path Challenge offers multiple routes. Starting in Putney and finishing in Hampton Court, Runnymede or Henley each route has beautiful and varied scenery.

  • Date: 9-10 September 2017
  • Distance and sponsorship:

Quarter challenge 25km: £40 registration fee, £150 minimum sponsorship

Half challenge 50km: £50 registration fee, £275 minimum sponsorship

Full challenge 100km: £70 registration fee, £395 minimum sponsorship 

Or why not take on the bridges? Join 2,000 other walkers for an epic 23km trek across the Capital’s 16 historic bridges on the Thames Bridges Trek.

  • Date: 9 September 2017

Distance and sponsorship:

Full challenge  23Km: £30 registration fee, £150 minimum sponsorship


Sign up now

Isle of Wight Challenge 

Join 2,000 others of all ages and experience for an unforgettable challenge over the Bank Holiday weekend. It will be rewarding, fun, and absolutely achievable with your resolve and determination!

  •  Date: 5-6 May 2018
  •  Distance and sponsorship:

Full challenge 100km: £80 registration fee, £425 minimum sponsorship

Half Challenge 50km: £60 registration fee, £275 minimum sponsorship

Quarter Challenge 50km: £40 registration fee, £175 minimum sponsorship



Have your own place?

If you’ve secured your own place directly via the organiser's website, we would love to welcome you to our team. There is no set fundraising target; we just ask that you raise what you can. Your support will help fund vital research to stop bowel cancer.

I have my own place

How we will support you

Our events team will support you all the way, from your initial welcome pack through to congratulating you on your achievement. We will send you a t-shirt to wear on the challenge along with regular training and fundraising updates to make sure you have the best experience.  

Contact information

If you have any questions about the event or the application process, email or call 020 7940 1769. 

The whole event, seeing people push themselves further than they thought possible and the support given to you by total strangers was amazing. Davina, Ultra Challenge Series Trekker