Boston Qualifying Times 2025. What are the 2025 boston marathon qualifying times? The qualifying window for the 129th boston marathon, scheduled to take place on april 21, 2025, began on september 1, 2023.

The qualification window for the 2025 boston marathon began on september 1, 2023, and will close at 5 p.m. Runners had to be 6:51 faster than the qualifying time for their age group and gender to secure a bib for the 2025 boston marathon.