This is it – the world’s biggest fundraising event! 

On Sunday 26 April 2026, 50,000 runners will have the chance to be a part of the biggest marathon ever staged anywhere in the world.

Join thousands of runners from all over the world in this iconic 26.2 mile race and enjoy the fantastic atmosphere whilst being cheered on around the course and taking in some of London’s most famous landmarks.

Find out more about our charity - https://contact.org.uk/