The 2025 London Marathon could set a new world record today with more than 56,000 people expected to run the 26.2 mile course through the capital.
Thousands or runners including celebrities, MPs and a duo dressed as a slinky dog will pound the pavements this morning on what is forecast to be a warm, dry day with temperatures of up to 22C.
London could set a new record for the world’s biggest marathon which is currently held by the TCS New York Marathon in November when there were 55,646 finishers.
Live updates below
How can I watch it?
If you’re in the UK, you will be able to watch the London Marathon live on the BBC – extensive television coverage and online streaming is also available via BBC iPlayer and the BBC Sport website.
What time does it actually start?
The first races are due to start before 9am – check the timings below to make sure you know when your favourite is kicking off
8.50am – Elite wheelchair men’s and women’s races.
9.05am – Elite women’s race.
9.35am – Elite men’s race followed by mass start.
Getting pumped and ready…
With some races due to start in less than half an hour, participants are already getting in the spirit and geared up for their 26.2-mile run.
Pictures show them warming up in London parks ahead of the competition.
So, is your favourite celebrity running?
A number of celebrities have annnounced they will be partaking in this year’s Marathon – some of them fitness fanatics, others slightly new to the game.
They range from singer Alexandra Burke to comedian Romesh Ranganathan.
A record number of people applied to run, with more than 840,000 applications received.
With celebrities backing charities like Teenage Cancer Trust and Diabetes UK, the money raised is likely to be substantial.
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London Marathon 2025 LIVE: Start time, celebrity runners, route, results, latest weather updates and how to watch