2025 Boston Marathon Qualifying Window. You’ll learn about the qualifying standards, how to plan your race schedule to meet. Et on friday, september 13, 2024.
The qualification window for the 2025 boston marathon began on september 1, 2023, and will close at 5 p.m. The qualifying window for the 129th boston marathon, scheduled to take place on april 21, 2025, began on september 1, 2023.