The Big Half Marathon 2023 London: Road closures and route

Created and organised by the same team behind the worldwide popular London Marathon, the smaller race is expected to see 15,000 attendees. 

The Big Half route covers over 13.1 miles of ground starting at Tower Bridge before finishing at the Cutty Sark in Greenwich

To make way for runners , a number of roads will be closed, which locals should be made aware of. 

When is the Big Half Marathon? 

Racers will be taking to the streets on Sunday, September 3 starting at 9am. 

What roads are closed for the Big Half Marathon?

Breaking it down into boroughs, the following roads will be closed.

Tower Hamlets 

(Roads closed from 4am and 2pm)

  • Tower Bridge Approach
  • Tower Bridge 
  • Tower Hill
  • East Smithfield 
  • Limehouse Link Tunnel 
  • Aspen Way

(Roads closed between 6am and 2pm)

  • The Highway 
  • Butcher Row 
  • West India Dock Road
  • Trafalgar Way
  • Churchill Place
  • North Colonnade
  • Upper Bank Street 
  • Bank Street 
  • Heron Quays 
  • South Colonnade 
  • Canada Square 
  • Cabot Square 
  • West India Avenue 
  • Westferry Circus
  • Westferry Road 
  • Salter Street
  • Limehouse Causeway
  • Narrow Street
  • Garnet Street 
  • Wapping High Street 
  • Thomas More Street

Richmond and Twickenham Times: See What's On.See What’s On. (Image: Newsquest)


(Roads closed between 6am and 3pm)

  • Tooley Street 
  • Jamaica Road 
  • Brunel Road 
  • Salter Road 
  • Redriff Road 
  • Quebec Way 
  • Canada Street
  • Surrey Quays Road 
  • Lower Road


(Roads closed between 6am and 3pm)

  • Lower Road
  • Evelyn Street 
  • Deptford Church Street


(Roads closed between 6am and 4pm)

  • Creek Road 
  • Greenwich Church Street 
  • College Approach 
  • King William Walk 
  • Nelson Road 
  • Greenwich South Street 
  • Greenwich High Road
  • Romney Road 
  • Trafalgar Road

(Roads closed between 12.30pm and 3.30pm)

  • Haddo Street 
  • Roan Street (west side) 

You can find out more information via The Big Half Marathon website. 

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