Boston Marathon 2025 Qualifying Dates. This list ranks marathons based on the number of runners who ran under the qualifying standards within the 2025 boston marathon qualifying. The qualification window for the 2025 boston marathon began on september 1, 2023, and will close at 5 p.m.

Boston—the boston athletic association (b.a.a.) today began notifying qualified applicants of their acceptance into the 129th boston marathon presented by bank of america. In order to register, applicants must submit a valid bq run between september 1, 2023 and the end of registration, which is 5 p.m.