London’s 2026 running calendar revealed – here’s every marathon and half marathon taking place in the capital this year.

London’s running calendar for 2026 is set to be one of the busiest yet, with a series of marathon and half-marathon events taking place across the capital.

From landmark-packed city centre routes to scenic parkland courses, the year offers something for runners of all abilities.

At the heart of the schedule is the world-famous London Marathon, which once again will see elite athletes and tens of thousands of runners take to the city’s streets.

Alongside it, events such as the London Landmarks Half Marathon, The Big Half and the Royal Parks Half Marathon ensure a packed year of racing across the capital.

Here’s a full rundown of all the marathons taking part in London this year.