American Tatyana McFadden has won her third straight women's wheelchair race at the Boston Marathon.
McFadden finished in an unofficial 1 hour, 52 minutes, 54 seconds.
McFadden wore a singlet in memory of Martin Richard, the 8-year-old boy who was killed in the 2013 finish line bombing.
McFadden, 25, is a four-time Paralympian and also the reigning champion of the Chicago, New York City and London marathons. She also finished second in the 1 kilometer Nordic skiing sprint in the 2014 Paralympics