The Big Half - London

SEP

2026

The Big Half is a vibrant half marathon through London, starting at Tower Bridge and ending by the Cutty Sark. Expect a festival atmosphere with relay and Big Mile options, training help and spectator buzz for runners of all levels.

Sun 6 Sep 2026

London, London

Website

Half Marathon

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Event

The Big Half is a running event centred on a half marathon distance. The programme also includes the New Balance Big Relay and the Big Mile. The event page lists a half marathon date of Sunday 6 September 2026. The event publishes official results for recent years, including 2023, 2024 and 2025.

Course and history

The route passes through four London boroughs: Tower Hamlets, Southwark, Lewisham and Greenwich. The race starts at Tower Bridge and finishes by the Cutty Sark in Greenwich. The event was first held in 2018.

Other details

The event provides a participant guide, a spectator guide and a training hub. Volunteer roles are used in event delivery. Multiple commercial partners are named in connection with the event. Visit the organization's website for the most recent information.

Half Marathon