Ready to cross the finish line in one of the world’s most electrifying cities and make a real impact? Join us for the Tokyo Marathon 2026! Blood Cancer United is proud to be an Official International Charity of Tokyo Marathon 2026.

This is more than just a race — it’s a chance to be part of something bigger. The flat and fast course weaves through some of Tokyo's most famous districts and landmarks! As you run through the vibrant streets of Tokyo, you’ll be fueling our mission to find cures and provide support for those affected by blood cancers.

With limited bibs available, we're seeking those who can make a BIG impact for blood cancer patients. Our 2026 team is currently full, but you can submit your name to our waitlist in case a bib becomes available.

Application for waitlist