113th Boston Marathon

113th Boston Marathon

When

Today — Patriots Day

Start times

Push Rim Wheelchair: 9:22 a.m.

Elite Women: 9:32 a.m.

Elite Men & Wave: 10:00 a.m.

Wave 2 Start: 10:30 a.m.

Distance

26 miles, 385 yards (42.195 kilometers)

The course

Certified per the guidelines set forth by the IAAF and USA Track and Field, the point-to-point route begins on Main Street in the rural town of Hopkinton. Mass., and ends near the John Hancock Tower (the tallest building in Boston) in Copley Square, Boston.

Field size

25,000 runners, which is the limit

Source: Boston Athletic Association