London's 2026 running calendar has been officially revealed, showcasing a bustling lineup of marathon and half-marathon events set to take place across the capital. This year promises to be one of the most active yet, with a diverse range of races catering to runners of all skill levels, from elite athletes to enthusiastic amateurs.
Key Highlights of the 2026 Running Season
The schedule is packed with iconic events that highlight London's vibrant running scene. At the forefront is the world-renowned London Marathon, which will once again draw tens of thousands of participants to the city's streets. Alongside this major event, several other notable races ensure a year full of competitive and community-focused running activities.
Detailed Event Schedule
Here is a comprehensive list of the marathons and half marathons scheduled for London in 2026:
- London Landmarks Half Marathon - April 12
- TCS London Marathon - April 26
- The Big Half - September 6
- Royal Parks Half Marathon - October 11
These events offer a variety of routes, from landmark-filled city centre paths to scenic parkland courses, providing unique experiences for every runner. The London Landmarks Half Marathon, in particular, is a standout event that showcases the city's architectural and historical highlights.
What to Expect from Each Race
Each event in the 2026 calendar brings its own distinct flavour. The TCS London Marathon is expected to feature elite international athletes alongside charity runners, while The Big Half and Royal Parks Half Marathon focus on community engagement and picturesque settings. This diversity ensures that London remains a premier destination for running enthusiasts worldwide.
For those looking to participate or spectate, these dates mark key moments in the capital's sporting year. Stay tuned for more updates and detailed information on registration and route specifics as the events approach.



