Road closures
The TCS London Marathon returns on Sunday 27 April 2025
To ensure the safety of participants and spectators, road closures, parking suspensions and footpath closures will be in operation. In the lead-up to the event, you will spot yellow road closure signs displayed on affected roads. Parking suspensions will be in place across the route, so please check your area for suspension signage.
Here are the vehicle crossing points, to help drivers cross the route safely.
On Event Day, police officers and stewards will help answer your queries and to ensure a safe and secure event. Thank you for helping to make the TCS London Marathon a fantastic event for our participants and local community.
View the full road closure leafletClick on your area to view affected roads, parking restrictions and closure times.
Update: M3 over London Marathon Weekend
Please note that the planned work to install the Bagshot Heath Footbridge, between junctions 3 and 4 (near Lightwater, Surrey), will no longer take place from 19:00 on Friday 25 April to 06:00 on Monday 28 April.
More information can be found on the national highways site.
Event Day safety and security
Do you have a question? Need advice about access for carers and people with a disability during the event?