London Marathon 2023 The iconic 26.2 mile route returns to its traditional April date for the first time since 2019. Kenya’s Amos Kipruto and Ethiopia’s Yalemzerf Yehualaw are both set to return to defend their titles START LOCATIONS: April 23 Blackheath, Shooters Hill Road Greenwich Park, Charlton Way Vanburgh Terrace, Blackheath START Woolwich Common 5 Thames Flood Barrier River Thames O2 Arena 5 Charlton 10 Greenwich Deptford 15 10 Bermondsey 20 Tower Bridge 15 25 30 Canary Wharf 20 35 Whitechapel 40 25 CITY OF LONDON Houses of Parliament Buckingham Palace FINISH: The Mall 5 Mile marker 5 Km marker 2km 1.25 miles COURSE ELEVATION Woolwich Greenwich Tower Bridge Westferry Circus Canary Wharf Tower Hill Houses of Parliament 50m Miles 5 10 15 20 26.2 Kilometres 10 15 20 25 30 35 42.2 Source: TCS London Marathon Picture: Getty Images © GRAPHIC NEWS