2025 Boston Marathon Qualifying Windows 11. So if you want to race boston in 2025, you’d need to run a qualifying time at an eligible race between september 1, 2023 and september 13, 2024. Find detailed race information including course difficulty, average temperatures, and boston marathon qualifier percentages.

Find detailed race information including course difficulty, average temperatures, and boston marathon qualifier percentages. So if you bq in october, it would be for 2026.