The Big Half - London

SEP
6
2026
The Big Half is a London half marathon that runs from Tower Bridge to the Cutty Sark, passing through Tower Hamlets, Southwark, Lewisham and Greenwich. The day includes a team relay and a Big Mile, with charity entries still available.
Sun 6 Sep 2026
Half Marathon

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The Big Half - London

The Big Half is a half marathon described as vibrant and inclusive that celebrates the diversity of London and the communities of four boroughs it passes through: Tower Hamlets, Southwark, Lewisham and Greenwich.

The half marathon is scheduled for Sun 6th September 2026. General entry is sold out; charity entry remains available. The event offers multiple participation formats and published results for recent years.

  • Half marathon
  • New Balance Big Relay, a team relay option
  • Big Mile

The course starts at Tower Bridge and finishes by the Cutty Sark in Greenwich. Support along the route has included spectators, run crews, drummers and dancers, and parts of the route pass parks and built-up borough streets. The event was first held in 2018.

Information resources mentioned for participants include a participant guide, a training hub with training plans, and published results for 2023 to 2025. Volunteer roles are used in event delivery. Partners named in association with the event include New Balance and other listed sponsors. Visit the organization's website for the most recent information.

Half Marathon
Big Half
Half Marathon
New Balance Big Relay
Big Mile