The Big Half - London

SEP
6
2026
A city half marathon that starts at Tower Bridge and finishes by the Cutty Sark, passing through Tower Hamlets, Southwark, Lewisham and Greenwich. The programme also includes a team relay and a mile event, with charity and volunteer options available.
Sun 6 Sep 2026
Half Marathon

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The Big Half - London

The Big Half is a city road running event centered on a half marathon. The organiser describes it as a vibrant, inclusive event that celebrates the diversity of London and the communities of the four boroughs the route passes through: Tower Hamlets, Southwark, Lewisham and Greenwich.

The course starts at Tower Bridge and finishes by the Cutty Sark in Greenwich. The event was first held in 2018. In addition to the main half marathon, the event programme includes a team relay and a shorter mile event.

  • Half marathon
  • New Balance Big Relay
  • Big Mile

General public entry for the half marathon is sold out for the referenced edition, with places still available through charity entries. The event also relies on volunteers to support delivery and provides participant-facing resources such as participant guides, a spectator guide, and a training hub. Results for recent editions are published after each event.

Partners and suppliers are associated with the event and are listed by the organiser. The event page includes practical information such as road closures, safety and security guidance, and accessibility resources for participants with disabilities. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
Big Mile
New Balance Big Relay
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