Boston Marathon 2025 Entry Rules. Find out who qualifies and how long runners have to sign up. Applicants for the 2025 boston marathon must meet the designated time standard that corresponds with their age group and gender in a certified marathon on or after.

Applicants for the 2025 boston marathon must meet the designated time standard that corresponds with their age group and gender in a certified marathon on or after. The qualification window for the 2025 boston marathon began on september 1, 2023, and will close at 5 p.m.