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TCS London Marathon 2025

The TCS London Marathon is one of London’s sporting highlights of the year with 50,000 participants taking part, running the 26.2 miles past London’s iconic landmarks, and over the finish line past Buckingham Palace and down The Mall, cheered on by the crowds!

Running a marathon is a huge feat, and you need an amazing support team behind you. By running for Blood Cancer UK, we’ll be on hand every step of the way from the moment you sign up.

Join Team Blood Cancer UK and run to beat blood cancer, because the finish line’s in sight.

Join us

Charity places

We have a full team for 2025 and are no longer accepting applications as we have a strict deadline to confirm all charity place participants to the race organisers. We will be opening registrations for 2026 at the end of April 2025, please do look out for applications opening on this page.

Ballot places

If you've been lucky enough to secure your own ballot place via London Marathon Events, we'd love to have you on our team to help us reach the day where no lives are lost to blood cancer. Sign up with your own place using the button below, there's no minimum sponsorship target if you've secured your ballot place.

Blood Cancer UK male runner high fiving the cheer point at London Marathon 2022