Boston Marathon 2025 Registration

Boston Marathon 2025 Registration. Boston marathon monday, april 21, 2025. The boston marathon registration window for the 2025 boston marathon opens on september 1, 2023, and closes on september 13, 2024.

Here we go with this essential guide on the boston marathon 2025 qualifying window. The baa publishes the boston marathon qualifying standards every year along with other information such as the cutoff times, when the qualifying window opens and closes,.