Madeleine Michael C

London Marathon 2025 Road Closures. Roads will be closed across the city for the 2025 london marathon which is set to start today (sunday, april 21). Mylondon has you covered, here's what you need to know:

The 26.2 mile race will take runners through london, from blackheath. So the 2025 tcs london marathon can go ahead safely, several roads in greenwich will be closed from 7am to 3pm on sunday 21 april 2025.