A great way to kickstart the New Year
Take in highlights of the Thames, its historic bridges, and many of the Capital’s key landmarks with the London Winter Walk.
Starting and finishing at The Oval Cricket Ground, there will be rest stops with snacks and hot food at the finish.
Experience the ‘Ultra Challenge’ support and hospitality all the way, helping you to push yourself further and achieve something really special. You'll also receive a special medal, free winter bobble hat and neck buff.
Full Marathon, Half Marathon, 10K and 5K options are all available, so there's a challenge for everyone. Join as an individual or as a team.
Event details
24 Jan 2026 to 25 Jan 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: £10 - £30, depending on your chosen distance.
- Fundraising target: £150 - £300, depending on your chosen distance.
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: £25 - £50, depending on your chosen distance.
- Fundraising target: £75 - £150, depending on your chosen distance.
Own place fundraising
- Pay the full cost of the event place, fundraise whatever you can, with no set target or deadline.
- Registration fee: £39 - £99, depending on your chosen distance.
- 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:
Free bobble hat
A GOSH Charity t-shirt
Inclusive and fun event with a great atmosphere and camaraderie
Dedicated support from GOSH Charity's Challenge Events team
Ready to trek for GOSH Charity?
Lace up those walking boots and trek for seriously ill children at Great Ormond Street Hospital.