Take on either a spirited 10km or an energetic 10-mile walk through the heart of London.
Experience the capital in a different light, passing famous landmarks – including St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more.
With 10km and 10-mile challenge options available, there's a challenge for everyone. You can join as an individual or as a team.
Event details
11 Sept 2026
London
Fundraising options
Charity sponsorship
- Pay a small registration fee, do lots of fundraising and we cover the cost of your event place. As we are an official charity partner of the event you will get 50% off the registration fee.
- Registration fee: £20
- Fundraising target: £150
Mixed funding
- Pay half of the event place cost yourself, fundraise a bit less and we will pay the balance of your event place cost.
- Registration fee: £30
- Fundraising target: £100
Own place fundraising
- Pay the full cost of the event place, fundraise whatever you can, with no set target or deadline.
- Registration fee: £59
- Fundraising target: Raise as much as you can
Visit the Ultra Challenge website for full details on distances, prices, and to sign up.
Why we need you
Great Ormond Street Hospital Charity (GOSH Charity) needs your support more than ever. By fundraising, you'll help to fund:
- groundbreaking research
- advanced equipment
- children and family support services
- the rebuilding and refurbishment of wards and medical facilities within the hospital
Why trek for GOSH Charity?
As part of TeamGOSH, you'll receive:
A GOSH Charity t-shirt
Dedicated support from GOSH Charity's Challenge Events team
Inclusive and fun event with a great atmosphere and camaraderie
A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
An epic finish line moment, with a medal and glass of fizz
Ready to trek for GOSH Charity?
Lace up those walking boots and trek for seriously ill children at Great Ormond Street Hospital.