When Is Boston Marathon 2024 Registration. Boston (ap) — runners hoping to qualify for the 2026 boston marathon are going to have to pick up the pace. The 2024 boston marathon registration period will open on monday, september 11, 2023, at 10 am.

Registration is now closed for the race, and was open between sept. Registration is now open for the 2024 boston 10k presented by brigham and women’s hospital on sunday, june 23, 2024.