The Big Half 2025 – London
Organised by London Marathon Events, The Big Half is London’s community half marathon. Taking place on Sunday 7 September 2025, it starts at Tower Bridge and finishes by the famous Cutty Sark in Greenwich. On the same day as The Big Half, the Big Mile and the New Balance Big Relay will also be held.
The course: the 13.1-mile route of The Big Half and the New Balance Big Relay starts on The Highway by Tower Bridge and finishes beside the Cutty Sark. The route passes through the four London boroughs of Tower Hamlets, Southwark, Lewisham and Greenwich – taking in Canary Wharf, Wapping, Tower Bridge, Rotherhithe and Deptford along the way – before finishing at the iconic sailing ship.
The Big Mile: a free mass participation event held on the same finishing stretch as The Big Half. The ...