When Is The London Marathon 2025 Registration. The ballot opened on april 20, 2024, and will close on april 26,. If you have a question about the tcs london marathon, take a look at our hot topics below to find instant answers to our most common and current queries.

However, there are things you can do to improve your chance of being on the starting line in 2025 or if you want to run again. How to sign up for the london marathon 2025 with the ballot process, how it works and how much it costs to enter.