London Marathon Occasions (LME) introduced on Friday that the 2027 TCS London Marathon will probably be held over two days, with 100,000 members collaborating within the one-time format. The transfer comes after a report 1,300,000 individuals entered the poll for 2027 following the 2026 race, making it the world’s hottest marathon.
Dubbed the TCS London Marathon Double, the race will happen on Saturday, April 24 and 25, 2027.
“The 2027 TCS London Marathon Double is our most formidable evolution thus far,” Hugh BrasherLME’s CEO, mentioned in a press launch. “A once-in-a-generation one-time-only reimagining of what a marathon and city-wide celebration of exercise will be.”
How will it work?
On Saturday, the elite girls’s race will lead the mass participation subject, whereas the elite males will race on Sunday, forward of the second mass occasion. Now with two days of elite protection on the historic course, will probably be an thrilling spectacle for marathon followers.
These chosen for the poll will probably be assigned to one of many two days (they don’t get to decide on which day); members might full the in-person race solely as soon as.
Quite than treating subsequent 12 months as a take a look at, LME and Metropolis Corridor are specializing in making this occasion a novel sporting spectacle.
“London is the sporting capital of the world,” London mayor Sadiq Khan mentioned, “and I’m delighted that, for one 12 months solely in 2027, the world-famous TCS London Marathon will develop right into a two-day occasion.”

Metropolis-wide collaboration
The 2026 version introduced down a number of world information in essentially the most thrilling marathon occasion of the season, and should you have been questioning how London might presumably prime it, they answered that query. LME has been working with Metropolis Corridor on the logistics required to stage what would be the largest marathon occasion ever held.
“The London Marathon showcases the perfect of our capital,” mentioned Mayor Khan. “We’ll proceed working carefully with London Marathon Occasions and our companions to make sure applicable measures are in place for your entire weekend.”
Past the spectacle of the occasion, the London Marathon Double will considerably improve charitable fundraising. Greater than ÂŁ90 million was raised by the 2026 occasion, and organizers imagine the expanded subject might push that whole a lot increased.
“We imagine that greater than £150 million will be raised for good causes,” mentioned Mayor Khan, “and the UK financial system could have a £400 million social and financial profit.”
