Tatyana McFadden celebrated her win with Bill and Henry Richard.

Men's wheelchair winner Marcel Hug crossed the finish line.

Women's wheelchair winner Tatyana McFadden crossed the finish line.

Marcel Hug celebrated after winning the men's wheelchair division.

Mayor Marty Walsh, Henry Richard, and Bill Richard stood during the National Anthem after McFadden's victory.

The route was packed at the start of the men's elite race.

The second wave of runners took to the course in Hopkinton.

The elite men began the race at 10 a.m.

The elite women were packed together at the start of the race.

A wave of runners began the race in Hopkinton.

Participants in the mobility impaired division crossed the starting line.

A spectator waited for runners in Wellesley.

A group from Minnesota took a photo in the Athlete?s Village.

Catherine Burnett carried a sign for a ?random stranger? in Hopkinton.