More than 6,400 athletes gathered on June 23 on Boston Common for a 10K organized by the Boston Athletic Association, the same nonprofit that handles the Boston Marathon. It was the first running event put on by the BAA since the April 15 marathon bombings that killed three people.

Participants waited for the start of the race.

Boston Marathon winner Lelisa Desisa of Ethiopia was introduced at the start of the race. He returned his medal to Boston Mayor Thomas M. Menino to honor the city.

Crispin Jose of Boston held his daughter Julieta, 1, before the start of the race.

Kelly Lindert, 45, of Arlington stretched before the race.

Spots for the race sold out in 13 hours online.

Elite runners crossed the starting line.

Personal tributes are seen written on a poster.

Boston Marathon Race Director Dave McGillivray, right, greeted runners.

Mamitu Daska, of Ethiopia, was the first woman to cross the finish line .

Stephen Sambu of Kenya was the first man to cross the finish line.

Elaine Vetter of Holden cheered on her daughter and husband.

Zach Flechtner ,38, of South Boston received his medal after finishing the BAA 10K race.

Erin Connolly, 23, of Boston smiled as she received her medal .

Domenico Petrino of Boston celebrated as he crossed the finish line. He witnessed the marathon bombing.

Collin Matthews of Danvers finished the race.

Desisa, right, signed autographs after running the race.

Mayor Thomas M. Menino received the Boston Marathon medal as a gift to the city from Desisa.

Boston Marathon bombing victims Adam Davis, center left, and Adrianne Haslet-Davis, center right, of Boston, attended the award ceremony for the BAA 10K race.

Desisa, left, greeted Adam Davis, top right, and his wife Adrianne Haslet-Davis.