Boston Marathon 2024 Qualifying Times For Runners. The psychology behind runners’ obsession with boston marathon qualifying times top experts weigh in on what makes the arbitrary time standards so seductive. For the 2025 boston marathon, the qualifying window began on september 1, 2023 and was open through september 13, 2024.
For 2026, you will need to have a run a qualifying time by sept 16, 2025. The 2025 boston marathon qualifying window began on september 1, 2023, and closed at 5:00 p.m.