Events > North Downs 50 Ultra Challenge

About the challenge

Head out from basecamp in Guildford along the North Downs Way and up to a spectacular view at St. Martha’s Church. Full 50km Challengers then head back towards basecamp through idyllic villages and the scenic Blackheath Common. 

This Challenge is easily accessible from London with excellent transport connections – the perfect Ultra Challenge for all!

Walk, jog, or run 50km, 25km, or 10 Miles!

Date:  Saturday 31st July, 2027

Location:  Guilford Hub, Surrey

Registration fee:  Starting from £20

Fundraising pledge:  Starting from £100

Get 50% off registration fees if you register before 30th September 2026!

Fundraising options

Charity sponsorship

Pay a smaller registration fee & do lots of fundraising for Bliss (we cover your event place cost).

  • 50km: Registration fee: £40 - Fundraising target: £375
  • 25km: Registration fee: £30 - Fundraising target: £275
  • 10 Miles: Registration fee: £20 - Fundraising target: £100

Self fund

Pay for your place & fundraise what you can.

  • 50km: Registration fee: £139
  • 25km: Registration fee: £89
  • 10 Miles: Registration fee: £55

Join Team Bliss and you'll receive:

  • On the day facilities: Regular Rest Stops packed with food & drink, hot meals, fully marked routes, massage & medical care, marshals on course and walking the route with you.
  • Support: You will receive pre-event support from our friendly events team as well as comprehensive support and training details from the event organiser, Ultra Challenges.
  • Community: You'll be invited to join an online group to connect with other Team Bliss challenge event fundraisers to share stories, training and fundraising tips.
  • A Bliss t-shirt: You'll get your own Bliss top to wear on the day.

Any questions?

For answers to your questions, you can:

Please note this event is organised by Ultra Challenge. Find out more on the Ultra Challenge website.