The Big Half

Get ready for a half-marathon like no other—the Big Half 2026! This event is a fantastic blend of running, community spirit, and the vibrant energy of London. The course showcases London's iconic landmarks, from Tower Bridge to the historic streets of Greenwich. The Big Half is more than a race; it's an opportunity to be part of the dynamic heartbeat of one of the world's most vibrant cities. Lace up your shoes, embrace the energy, and get ready for an unforgettable experience at The Big Half 2025!

By taking on a challenge event you'll help us support over 350 babies, children and young people who are seriously unwell - helping them, and their families, to make the most of every day