Charity fundraising events

TeamGOSH runner high-fiving volunteers at the GOSH Charity cheer station, as they run past.

Join us for fundraising events – from walks to marathons and more

Whether it's running a half marathon, climbing the steps of the Walkie Talkie, or enjoying one of our seasonal celebrations, take part in a fundraising event and help give seriously ill children the best chance and the best childhood possible.

For the hundreds of children from all over the UK who are treated by Great Ormond Street Hospital every day, for children with rare or complex illnesses everywhere, for this generation and all those to come.

Be part of it.

The Halloween Party 2025

12 Oct 2025

Enjoy an incredible afternoon of various activities, from creepy crafts to Frankenstein's Workshop to interactive games in the haunted hangout and eeri-sistable food stalls.

Stall at GOSH Charity Halloween Party

Royal Parks Half Marathon 2025

12 Oct 2025

Take in some of London's iconic landmarks and run through four of London's Royal Parks in this half marathon.

A female and male runner smile at the camera

Great South Run 2025

19 Oct 2025

Be part of the largest 10 mile run in the world and make a huge difference.

Great South Run start line

TCS Amsterdam Marathon 2025

19 Oct 2025

The TCS Amsterdam Marathon celebrates its 50th birthday this year!

The event, which attracts thousands of runners each year, is a unique city marathon that boasts one of the fastest courses in the world.

Amsterdam Marathon start line

Halloween Walk 2025

25 Oct 2025

Take on the Halloween Walk and trek for seriously ill children at Great Ormond Street Hospital.

Big Ben at twilight with an orange clock face and the silhouette of a spooky bare tree