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London Winter Walk 2025

The London Winter Walk is a great event to kick off the new year on the right foot. Walking to beat brain tumours sooner.

There are Full Marathon, Half Marathon & 10K options, both starting & finishing at The Oval Cricket Ground on Saturday 25 & Sunday 26 January, and take in highlights of the Thames, its historic bridges, and many of the Capital’s key landmarks. Families are welcome, there’s a free winter bobble hat & neck buff, rest stops with snacks, with a special medal and hot food at the finish. Get the ‘Ultra Challenge’ support & hospitality all the way – helping you to push yourself further and achieve something really special!

Whether it’s to enjoy an active day out with friends or colleagues, or to maintain a New Year fitness regime – there’s a London Winter Walk for you! Join as an Individual or as a team, and raise funds for The Brain Tumour Charity along the way.

What you’ll get:

  • ✓ Sign up from £10
  • ✓ Free bobble hat
  • ✓ Inclusive & fun event with a great atmosphere and camaraderie
  • ✓ Choose your distance, including 10km, half marathon & full marathon options
  • ✓ Walk at your pace!
  • ✓ A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
  • ✓ Indoor rest stops, with free hot food & drink, massages and medics
  • ✓ An epic finish line moment, with a glass of fizz, medal and t-shirt
  • ✓ Full fundraising support, and a choice of fundraising options

As The Brain Tumour Charity are an official partner on this event, you get a 50% discount on the ‘Full Sponsorship’ registration fee when signing up to support us.

Click here for full details of prices and to sign up:


Fundraising options:

Full Charity Sponsorship

You 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 – you get 50% off the standard reg fee below which is automatically added at checkout.

DistanceReg FeeFundraising target
Marathon £30£300
Half Marathon £20£225
10km Walk£10£150

Mixed Funding

Pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost.

DistanceReg FeeFundraising target
Marathon£50£150
Half Marathon£40£120
10km Walk£25£75

Self Funding

You pay the full cost of the event place – fundraise whatever you want, with no set target or deadline, and there’s no cost at all to the charity!

DistanceReg Fee
Marathon£99
Half Marathon£75
10km Walk£49
5km Walk£39

Click here for full details of prices and to sign up:


Important information from the event organiser

All sponsorship goes directly to the Charity via your online fundraising page. At least 50% of the sponsorship target should be with the Charity 3 week prior to the Challenge. At this time, the Charity agrees to pay a fee for your place to the Organiser. Failure to meet the deadline may result in cancellation of your place by the charity. The remaining 50% and any extra, should be with your Charity by 4 weeks after the Challenge.

This event is organised by Action Challenge.

If you have any questions, don’t hesitate to get in touch with the events team events@thebraintumourcharity.org or call 01252 237867.


Event details

When: 25 – 26 January 2025

Where:  The Oval Cricket Ground, SE11 5SS

Registration fee: £10-£99

Get a 50% discount on the ‘Full Sponsorship’ registration fee when signing up to support us.

Fundraising: £39-£300

Type: Walk

Distance: Marathon, half marathon or 10km walk

Supporting you

You’ll receive support from the Challenge Events Team including: