Jarvis Williams and T.J. Sapp each added 18 points for Murray State (22-11), which will face Yale in Thursday's championship game. Jeffery Moss also chipped in 15 points for the Racers.
Murray State knocked down 53.3 percent of its shots from the floor in the first half, including 5-of-12 from 3-point range. The Tigers were not as successful, shooting at a 42.4 percent clip, as they entered halftime trailing 49-38.
The Racers continued to extend their lead after the break when they heated up to 57.1 percent shooting, while draining 8-of-13 attempts from beyond the arc.
Murray State had more than twice as many 3-pointers (13) as Pacific (six). The Racers also had an 18-4 scoring edge on the fast break.