over which bridge is the london marathon run
London Marathon As the runners reach the 10Â km mark (6.2-mile), they pass by the Old Royal Naval College and head towards Cutty Sark drydocked in Greenwich. Heading next into Deptford and Surrey Quays/Rotherhithe in the Docklands, and out towards Bermondsey, competitors race along Jamaica Road before reaching the half-way point as they cross Tower Bridge. Running east again along The Highway through Wapping, competitors head up towards Limehouse and into Mudchute in the Isle of Dogs via Westferry Road, before heading into Canary Wharf.[24][25]