Tcs London Marathon 2025. The tcs london marathon is the most popular marathon on the planet, and more than 1.25 million people have completed the event since the first edition in 1981. The tcs london marathon 2025 returns on sunday 27 april 2025.
2025 tcs london marathon about us the london marathon has become an annual, inspiring and colourful fixture in the worldโs sporting calendar since the inaugural race on 29 march. An amazing marathon, we run through historic london starting in smaller villages, crossing the thames river over the tower bridge (without question the greatest structure i have ever run over, under or beside) through downtown (canary.
