Run The Big Half. Be a lifesaver.
Organised by London Marathon Events, The Big Half is a vibrant, inclusive half marathon with a fun, festival atmosphere. The 13.1 mile course weaves through London from Tower Bridge to the iconic Cutty Sark in Greenwich.
The Big Half will take place on Sunday 7 September 2025.
Register your interest for our limited number of charity places now!
Without you, we can’t keep flying. Without you, we can’t save lives.
Got your own place in The Big Half 2025? Let us know you’d like to join our team here.