Boston Marathon 2025 Entry Date. For the 2025 boston marathon, the qualifying window began on september 1, 2023 and was open through september 13, 2024. Information about the course maps & other details for the boston marathon 2025 is not yet released.
1, 2023, and will close at 5 p.m. You’ll learn about the qualifying standards, how to plan your race schedule to meet.