About the challenge
About the challenge
Dates: Saturday 12 July 2025
Event type: Trek
Location: North Downs
Registration Fee: £20 - £75 depending on chosen option
Fundraising Target: £70 - £375 depending on chosen option
Level: Moderate
Back by popular demand – we’re heading back to the North Downs with a fabulous challenge setting out from our Guilford basecamp, and a looped 50km route which takes in some of the best of the Surrey hills, the North Downs Way, and the surrounding countryside. A route with real variety and some wonderful scenery & views – and easily accessible from London! You’ll get full support & hospitality, and with 25 km options also available, and University style accommodation at basecamp as a bookable extra – there’s a North Downs Challenge waiting for you in 2025!
WWF is an official Series Partner on all Ultra Challenge treks!
As we are an official Series Partner, you can get 50% off charity sponsorship registration fees. Find out more here
Join the challenge
Join the challenge
The route and distance options:
Full Challenge (50km) - Guilford Loop
1/2 Challenge (25km) - Guilford Loop
First 1/2 Challenge (25km) - Guilford to Dorking
Guildford 10K (10km) - Guilford Loop
Registration fees and sponsorship targets:
Charity sponsorship - pay a small registration fee and do lots of fundraising
Full Challenge (50km) - £40 registration fee + £375 in fundraising
Half Challenge (25km) - £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
Full Challenge (50km) - £75 registration fee + £225 in fundraising
Half Challenge (25km) - £50 registration fee + £150 in fundraising
10km Challenge - £22.50 registration fee + £70 in fundraising
Own Place Charity Fundraising - pay for your place and fundraise whatever you can
Full Challenge (50km) - £139 joining fee + fundraise what you can
1/2 Challenge (25km) - £89 joining fee + fundraise what you can
10 M Challenge - £39 joining fee + fundraise what you can
For Charity and Mixed Funding options, you will need to raise 50% of your fundraising target at least three weeks before the event in order to confirm your place on the day.
How we support you
How we support you
We're with you every step of the way towards event day with advice and information so you can just focus on your training and fundraising. We'll also provide:
- Our fundraising pack to help you achieve your target
- Walkers pack including WWF t-shirt and headband
- Exclusive access to our private Team Panda Facebook Group
- Online training hub to help you prepare safely for your challenge