The 2026 TCS London Marathon is being held this weekend, bringing tens of thousands of runners to the capital for one of the world’s biggest mass‑participation sporting events.The 26.2‑mile course will start in Blackheath and Greenwich, winding through south‑east and central London before finishing on The Mall.The field spans elite professionals, club runners, charity fundraisers and celebrity entrants, all covering the same 26.2 miles.
Extensive road closures will be in place across large parts of London from early morning through to the evening, with residents and spectators urged to plan journeys in advance.
When is the London Marathon?
The race takes place on Sunday. The first waves set off at around 09:30 BST and continue until roughly 11:30, with staggered starts to manage the volume of runners on the course.
The TCS Mini London Marathon is held the day before, on Saturday. Selected schools send pupils to run the final mile or so of the official route into The Mall.
What is the route?
The course largely follows the template set by the first London Marathon in 1981.
It begins in Greenwich Park and finishes on The Mall, with the line laid near Buckingham Palace.
Runners pass a string of recognisable landmarks along the way, including the Cutty Sark, Tower Bridge, Canary Wharf and the Elizabeth Tower.
Key Facts (verified)
- Date: Sunday, 26 April 2026
- Distance: 26.2 miles (42.195 km)
- Start times (elite/mass):
- 8:50am wheelchair race
- 9:05am elite women
- 9:35am elite men + mass start
- Route: Greenwich → Tower Bridge → Canary Wharf → The Mall (Buckingham Palace finish)
- Scale: ~50,000–60,000 runners + hundreds of thousands of spectators
- Charity impact: One of the world’s biggest fundraising sporting events