The 26-mile event, managed by the Boston Athletic Association, is always held on Patriots' Day.
More than 500,000 spectators are expected.
The first starting time is at 8:50 a.m., with starting times up to 11:25 a.m. (Wave Four).
To access the entry list, click here.
It will be the second time the event is being run since the Boston Marathon bombings on April 15, 2013 resulted in the deaths of three people and injuries to 264 others.
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