The actor portraying the colonial silversmith and patriot had to hop off and walk ... and a troop of about 40 Massachusetts National Guard members who crossed the starting line at around 6 a.m ...

The ceremony came to a temporary halt when the horses was spooked by the finish line decal on the street and pulled up. The actor portraying the colonial silversmith and patriot had to hop off and ...

The actor portraying the colonial silversmith and patriot had to hop off and walk ... and a troop of about 40 Massachusetts National Guard members who crossed the starting line at around 6 a.m ...

Boston Marathon Race Director Dave McGillivray, right, sends a group of Massachusetts National Guard ... decal on the street and pulled up. The actor portraying the colonial silversmith and ...

An actor portraying Paul Revere tries to pull his horse, which refused to advance over the line, during a ceremony for the Patriot's Day ... by the finish line decal on the street and stopped.

Reenactors on horseback, accompanied by a fife and drum playing "Yankee Doodle," helped start the festivities and add a bit of levity when Revere's horse was spooked by the finish line decal on ...