At least 45,000 people set to take part, including non-binary runners for the first time, amid predicted temperatures around 10C
Tens of thousands of people running this year’s London Marathon could be drenched in heavy rain for much of the race, forecasters have warned.
The Met Office has predicted a “very wet” Sunday in the capital, with a higher than 50% chance of downpours persisting through a nine-hour window from 7am until 4pm.
