The Challenge

The North Downs provides a fabulous challenge from a Guildford basecamp, with a looped 50 km route which takes in some of the best of the Surrey hills and the surrounding countryside. You can take it on at your paceas a walk, jog, or run – and fundraise for your favourite charity! A route with some wonderful scenery & fabulous views out to the south, and easily accessible from London! Sign up as an individual or as a team; you’ll get full support all the way, plenty of food & drink, optional camping & transfers, a special medal, T shirt and celebration finish. With 25km & 10km options also available – there’s a summer challenge here for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s No.1 Series of treks & trail challenges.

The Route

• 50km loop starts at basecamp near Guildford we set out Saturday morning for a continuous 50km challenge – finishing back at in Guilford
• 25km loops out from Guildford early Saturday morning, along some of the most picturesque parts of the Surrey Hills  Way
• 10km loop through Littleton pas Loseley Park

Fundraising

You only need to raise half of the fundraising target 3 weeks ahead of the North Downs 50 Challenge to confirm your place - you can then top up the rest during, and after, the challenge!

Charity sponsorship - pay a small registration fee and do lots of fundraising!
Remember you only need to raise half of the fundraising target to confirm your place.

50km Challenge - £40 registration fee + £375 in fundraising

25km Challenge - £30 registration fee + £275 in fundraising

10km Challenge - £20 registration fee + £100 in fundraising

Mixed Funding - pay a higher contribution to the cost of your place and fundraise less. 

50km Challenge - £75 registration fee + £225 in fundraising

25km Challenge - £50 registration fee + £150 in fundraising

10km Challenge - £22.50 registration fee + £70 in fundraising

Don't worry, we're on hand to help you reach your goal, with lots of fundraising materials at the ready! Please get in touch for a chat if you have any questions, we're always happy to hear from you.

FAQs

For further information about the challenge, its inclusions and FAQs, please visit the official organiser's website or email mailto:[email protected].

If you have any fundraising questions, you can get in touch with a member of the Events team by getting in touch on the contacts below, and we will be delighted to help.