Boston Marathon 2025 Entry Deadline. The qualifying period for the 2025 boston marathon was september 1, 2023 to september 13, 2024. Race organizers announced that registration will take place for next april’s race this year between september 9 and september.

To perform well, make sure to be. The qualifying window for the 130th boston marathon presented by bank of america, to be held april 20, 2026, opened on september 1, 2024, and will run through the end of registration week in september 2025.