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Ultra challenge runners setting off on their race.
Walks & Treks

Take on an Ultra Challenge in 2025

Whether you're an experienced adventurer or stepping into something new, these challenges provide scenic routes and the chance to support Guy's Cancer Charity together.

Date(s)
Various throughout 2025
Location
Various

How to sign up?

  1. Choose your event from the list below.
  2. Visit the official event website and select your challenge distance.
  3. During registration, select Guy’s Cancer Charity to receive your 25% discount.
  4. Set up your fundraising page and prepare for your adventure!

Event information

Time
Start time 7am – 9am
Challenge level
Beginner - Advanced
Distance
10 - 100km

Receive 25% off your registration fee to any of the events below

Spring | March - May

Summer | June - August

Autumn | September - November

Any questions?

To find out more, please contact our friendly Events Team.