Maxwell was 8-of-15 passing for 97 yards and one touchdown, and had 20 carries for 105 yards.
Gardner-Webb (3-5, 2-2 Big South) held the Blue Hose to 195 total yards and forced seven three-and-outs on 12 drives. Presbyterian was stopped on downs at its 17 on its final drive.
Kerry Bernard's 2-yard TD run tied it at 7 before halftime for Gardner-Webb. He had 14 carries for 56 yards.
Ben Cheek completed 7 of 17 passes for 35 yards for Presbyterian (1-7, 0-3). Eight Blue Hose rushers combined for 160 yards.
Devron Glenn scored on a 12-yard run for Presbyterian to open the scoring in the second quarter. Brett Norton kicked a 26-yard field goal with 12:53 remaining in the fourth.