How To Watch London Marathon 2025. The tcs london marathon, previously known as the london marathon, stands as the world’s largest marathon, boasting over 53,700 finishers in 2024 and a staggering 840,318 applicants for the 2025 edition. Are you ready to be part of the uk’s largest marathon, and one of the incredible six world.
The tcs london marathon 2025 starts in. London has the largest marathon in the world, with more than 50,000 competitors racing the 26.2 miles from greenwich to buckingham palace.