Last-Minute Weather Update: Warm Conditions Await Elite Runners at 2025 London Marathon but not hot

(Posted at 3:30am London Time) With just hours to go before the 2025 London Marathon kicks off on Sunday, April 27, elite runners are preparing for a race day marked by warm and sunny conditions. The elite women’s race is set to start at 9:05 AM BST, followed by the elite men’s race at 9:35 AM BST .

Weather Forecast:

• Start Time (9:00 AM BST): Approximately 12°C (54°F), mostly sunny with light winds.

• Mid-Race (11:00 AM BST): Temperatures rising to around 14°C (57°F).

• Afternoon Peak: Expected highs of 21°C (70°F), which is notably warmer than last year’s maximum of 12.6°C (54.7°F) .

These conditions are favorable for spectators but may pose challenges for runners, especially those unaccustomed to warmer temperatures. The Met Office advises participants to stay hydrated and adjust their pacing strategies accordingly .

Viewing Information: 

Live coverage of the marathon will be available on BBC One and BBC Two, with streaming options on BBC iPlayer and the BBC Sport website.

As the city braces for a day of athletic excellence and community spirit, runners and spectators alike are encouraged to prepare for the warm weather to ensure a safe and enjoyable marathon experience.

posted Saturday April 26th
by Boris Baron