Trailing the entire way, Duke did not have the offensive firepower to comeback against Maryland.
Duke fell to Maryland for the second consecutive year in the NCAA semifinals, losing 16-10.
Fueled by a 13-goal run, Duke beat Colgate 17-6 to advance to the NCAA semifinals.
Taking on a foe that has won 12 of its last 14 games, No. 3 seed Duke (14-4) will face the Raiders (14-3) Sunday at PPL Park in Philadelphia.
The Tobacco Road rivalry moved north to Charlottesville, Va. this weekend as Duke defeated North Carolina to claim the ACC crown.
Since head coach John Danowski took over at Duke in 2007, his teams have gone 25-7 against conference opponents.