2025 Boston Marathon Registration Dates

2025 Boston Marathon Registration Dates. The 2025 boston marathon qualifying window began on september 1, 2023, and closed at 5:00 p.m. The registration window usually opens in the september before the race in april, with the entry fee for the 2020 event being $205 for united states residents and $255 for.

Acceptance is mostly by age/gender group qualifying times. Take the 2025 boston marathon, for instance.