Registration for the 2020 Boston Marathon will open on Monday, September 9, 2019 at 10:00 a.m. ET. The B.A.A. will use the same process to register qualified open runners as it has used in recent years, allowing the fastest qualifiers in their gender and age group to register first. The qualification window for the 2020 Boston Marathon began on Saturday, September 15, 2018.
For more information about the Boston Marathon, click below: