The Phoenix (6-5) opened the second half with a 9-0 run as Tanner Samson hit a jumper and 3-pointer for Elon's largest lead, 44-29. The Spartans (4-8) chipped away to pull within four after RJ White's dunk with 4:03 left.
The Phoenix shot 50 percent from the field. Samson led Elon with 21 points and went 9 of 11 from the free-throw line. Kevin Blake added eight points for the Phoenix.
White led the Spartans with 16 points and 12 rebounds while Locke had 17 points with nine boards.