Registration for the 2016 Boston Marathon will open on Monday, September 14, 2015, at 10:00 a.m. ET. The B.A.A. will use the same process to register qualified runners as it used for the Boston Marathon in 2013, 2014, and 2015, allowing the fastest qualifiers in their gender and age group to register first. The 120th Boston Marathon will be held on Monday, April 18, 2016, Patriots’ Day in the Commonwealth of Massachusetts, and for the 31st consecutive year the event will be sponsored by John Hancock Financial. Registration will be held entirely online at www.baa.org
. The qualification window for the 2016 Boston Marathon began on September 13, 2014.