Sat 12 Jul 2025 Guildford, Surrey, UK

North Downs 50 Ultra Challenge | 50km Challenge

Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.

  • Sat 12 Jul 2025
Surrey Sports Park, Guildford

50km Challenge

07:00

Age 18 & over

£139

  • 50 km trail running + 830 m ascent

Event overview

If you're keen to take on a proper challenge, shape up, re-energise and support an important cause, this ultra will help you go further than ever before - whether you walk, jog or run your way to the finish line.

You'll be supported all the way from the moment you sign up with an event app, online guides, forums and training walks. On the challenge there are safe venues, camping options, fully signed routes, chip timing, marquee rest stops, fantastic food and drink and expert safety, medical and welfare teams to get you over the finish line where you'll receive a huge cheer, medal, glass of fizz, t-shirt, massage, BBQ and more!

Challenge options

  • Guildford Base camp Loop 50km

    Starting at base camp near Guildford (you can stay in the ‘optional University accommodation’ on Friday before the Challenge, and /or on Saturday afterwards) set out Saturday morning for a continuous 50km challenge – finishing back at in Guildford. You’ll get full support all the way – and there are 3 rest stops en route.

  • Guildford Base Camp Loop 25km

    The 25km looped challenge sets out from Guildford early Saturday morning, along some of the most picturesque parts of the Surrey Hills Way – with a rest stop at half way with snacks and drinks. After 25km and over 500 metres of climb – it’s a celebration and lunch back at basecamp!

  • 1st Half of the full route 24km

    Follow the North Downs Way to Dorking. Fabulous views! Starting at base camp near Guildford (you can stay in the ‘optional University accommodation’ on Friday before the Challenge, and /or on Saturday afterwards) set out Saturday morning following the North Downs Way to Dorking, for a 24km challenge with fabulous views. You’ll get full support all the way, a rest stops en route, and a picnic lunch at the finish. Optional transfers back to Guilford basecamp.

  • Guildford 10K

    A beautiful 10km looped route from the basecamp at Surrey Sports Park. The route explores public footpaths within Littleton pas Loseley Park. You’ll be rewarded with a medal, glass of fizz and discounted hot meal to celebrate your achievements.

This event is part of North Downs 50 Ultra Challenge.

Event details

  • Event village
  • Newcomers

Location

  • Bag storage
  • Bag transfer
  • Bar
  • BBQ
  • Cafe
  • Camping
  • Changing facilities
  • Entertainment
  • Free parking
  • Music
  • Rural
  • Showers
  • Toilets

Route

  • Check points
  • Distance markers
  • First aid
  • Food stations
  • Marshals
  • Sweeper
  • Toilets
  • Undulating
  • Water stations
  • Way markers

What's included

  • 2 Running Stones
  • Event app
  • Goody bag
  • GPS tracking
  • Map
  • Massage
  • Medal
  • Pre-event training sessions
  • Training plan
  • T-shirt

Entries

  • Age 18 & over
  • Entries open
  • Charity entries open
  • Charity places
  • Enter online
  • Event merch available