Boston Marathon 2025 Cutoff Time. A total of 36,393 qualifiers applied for the 2025 boston marathon, which was open from september 9 to september 13, 2024. The qualifying window for the 130th boston marathon, scheduled for april 20, 2026, will open on sept.
To be accepted into the 2025 race, athletes must have run at least 6:51 faster than their respective qualifying standard (below). Athletes who meet the qualifying times within this window are eligible to apply for registration.