Published: 8/3/2021 3:57:51 PM Greenfield man injured in bike crash A Greenfield man was hospitalized after crashing a trailbike in Hopkinton on Sunday morning. Nicolaos Tzouratzis, 56, of Greenfield was riding a trailbike in the Boundtree ATV Club’s trail system around 11:30 a.m. when he “failed to stay upright and crashed his machine,” according to a press release from the New Hampshire Fish and Game Department. A passerby found Tzouratzis and brought him to the Pine Street trailhead in Hopkinton, where he was checked by emergency responders and sent to Concord Hospital with serious, but not life-threatening, injuries. Drugs and alcohol were not apparent factors in the crash, according to an initial investigation by a Fish and Game Conservation Officer.