North Downs 50

10-50km along the beautiful Surrey hills and the North Downs Way

About the event

The North Downs 50 Ultra Challenge is a scenic endurance event set in the Surrey Hills, offering participants the chance to walk, jog, or run a looped route of up to 50km starting from Guildford. The course follows parts of the North Downs Way, passing through picturesque spots like Chantry Woods, St Martha’s Hill, and Newlands Corner.

Take on the challenge for St Mungo’s: every step helps fund vital services – from emergency accommodation and outreach to long-term recovery and support -making a real difference in the lives of vulnerable individuals.

People hiking the an Ultra Challenge for St Mungo's

£20-139

Registration fee

1 August 2026

Date of event

£0-375

Fundraising target

10-50km

Race distance

What you'll get from the event

  • Tea, coffee, snacks and water
  • Picnic lunch
  • Glass of fizz at the finish, medal and a t-shirt
  • For longer challenges, meals are also provided

What you'll get from St Mungo's

  • A fundraising pack filled with top tips to increase your sponsorship.
  • St Mungo’s top to represent us on the day.
  • Access to our online community where you can chat to other challengers.
  • Support from our dedicated events team who will give you one to one advice all the way.
Two people participating in a St Mungo's Challenge Event

Fundraising Options

Self funding 

You pay the full cost of the event place – fundraise whatever you want, with no set target or deadline.

  • 10km: Reg fee £39
  • 25km: Reg fee £89
  • 50km: Reg fee £139

 

Charity Sponsorship

You pay a small registration fee, do lots of fundraising and we cover the cost of your event place.

  • 10km: Reg fee £20 / fundraising target £100
  • 25km: Reg fee £30 / fundraising target £275
  • 50km: Reg fee £40 / fundraising target £375

 

Mixed Funding

Pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost.

  • 10km: Reg fee £22.50 / fundraising target £70
  • 25km: Reg fee £50 / fundraising target £150
  • 50km: Reg fee £75 / fundraising target £225