Boston Marathon 2025. 129th boston marathon registration qualifier registration for the 129th boston marathon has closed. This year, 36,406 people successfully ran a qualifying time and applied to run the 2025 boston marathon, but with more people trying to enter, the baa had to enforce a 6:51 cut off time.


Boston Marathon 2025

Announced that there will be no changes to the qualifying times for the upcoming 2025 boston marathon. Boston marathon monday, april 21, 2025.

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