Boston Qualifying Times 2025 Dates. The qualifying window for the 129th boston marathon, scheduled to take place on april 21, 2025, began on september 1, 2023. Et on friday, september 13.
This list ranks marathons based on the number of runners who ran under the qualifying standards within the 2025 boston marathon qualifying. Check out our running total of 2025 boston qualifiers and comparison to last year’s numbers or our 50 best boston qualifying marathons in 2023.