2025 Boston Marathon Route And Times. For the 2025 boston marathon, the qualifying window began on september 1, 2023 and was open through september 13, 2024. 13, 2024, at 5:00 p.m.
Discover the best marathons that qualify you for both the 2025 and 2026 boston marathons. If you haven’t read that article, you may want to read that first to get some context.