Walton, who finished with a team-high 17 points, scored all 12 of the Blue Jays' points in overtime and tallied the last 15 points for Elizabethtown (10-8 overall, 3-6 Commonwealth) after scoring just two points in the first 39 minutes of the contest.
Jen Clark led the Crusaders (13-7 overall, 4-5 Commonwealth) with 19 points while Nikki Smith added 17 points and a career-high six steals in 28 minutes off the bench for Susquehanna.
The Crusaders took a 59-58 lead on a three-pointer from the corner by Sarah Jane Kalejta with 4.6 seconds remaining in overtime, but the Blue Jays inbounded the ball quickly and moved downcourt, with Walton spinning inside and taking a shot that hit the rim and fell through the net as time expired.
Walton had forced overtime by hitting a three-pointer from the top of the key with 35 seconds left in regulation after the Crusaders had erased a 10-point deficit to take a 48-45 lead on a layup by Ruth Williamson with one minute left.
Following Walton's three-pointer, Susquehanna turned the ball over and the Blue Jays looked for the win, but a three-point attempt was blocked by Clark at the buzzer to force overtime tied at 48-48.
In overtime, Walton hit a layup with 3:38 to play to give Elizabethtown a 50-48 lead, but Smith drilled a three-pointer to put Susquehanna ahead 51-50 with 3:06 to go. Following two foul shots by Walton with 2:22 remaining, Kalejta hit a layup to push the Crusaders ahead 53-52 with 2:10 to go.
Walton sank a jumper with 1:55 left to put Elizabethtown back ahead 54-53, and added a putback with 1:05 to go to give the Blue Jays a 56-53 advantage. However, Clark drilled her third three-pointer of the game with 45 seconds left to knot the score at 56-56 before Walton answered again with 16 seconds to go to restore Elizabethtown 's lead at 58-56.
Elizabethtown led 36-26 with 13:18 to play, but the Crusaders rallied behind a pair of three-pointers by Smith and one by Kalejta to pull within 41-38 with 5:51 to go. Susquehanna took its first lead of the second half at 46-45 on a layup by Clark with 1:35 remaining, and extended its advantage to three on Williamson's bucket before Walton hit the tying three.
Susquehanna led for the majority of the first half, but the Blue Jays closed the half on an 11-1 run to take a 28-23 lead into halftime. Clark, who scored the Crusaders' first 10 points in the opening five minutes of the contest, led Susquehanna with 12 points in the first half while Megan Romano paced the Blue Jays with nine points.
Audrey Hitz posted a double-double for the Blue Jays with 12 points, a game-high 15 rebounds and five assists as Elizabethtown finished with a 45-31 edge in rebounds over Susquehanna. Samantha Jansson led the Crusaders with six rebounds.
Clark finished 6-for-9 from the field and 3-for-4 from three-point range for the Crusaders while Smith went 6-for-14 from the floor and 3-for-8 from beyond the arc. Kalejta added 11 points and also went 3-for-4 from three-point range for Susquehanna while dishing out a team-high four assists.
As a team, Susquehanna shot 34.4 percent (21-for-61) from the field and hit 10 three-pointers in 26 attempts to increase their season total to 109 three-pointers, breaking the school single-season record of 105 three-pointers set in 1999-2000.
Elizabethtown finished at 42.4 percent (25-for-59) from the field and committed 28 turnovers compared to 22 by Susquehanna.
ELIZABETHTOWN 60, SUSQUEHANNA 59 ELIZABETHTOWN (10-8, 3-6 Comm) Erin Walton 7-15 2-2 17; Audrey Hitz 6-10 0-0 12; Megan Romano 4-7 0-0 9; Ali Jury 2-4 2-2 6; Courtney Kofeldt 2-7 0-0 5; Mell Fitzpatrick 1-4 0-0 3; Ashley Toczylowski 1-1 0-0 2; Amanda Reid 0-5 2-2 2; Megan Quinn 1-4 0-0 2; Jenn Montague 1-2 0-0 2; Jen Schiefer 0-0 0-0 0. Totals 25-59 6-6 60. SUSQUEHANNA (13-7, 4-5 Comm) Jen Clark 6-9 4-6 19; Nikki Smith 6-14 2-2 17; Sarah Jane Kalejta 4-5 0-0 11; Ruth Williamson 2-9 1-2 5; Val Houseal 1-4 0-0 3; Courtney Thibeault 1-7 0-0 2; Samantha Jansson 1-5 0-0 2; Meg Loughran 0-1 0-0 0; Bri McNallen 0-3 0-0 0; Crystal Schneck 0-4 0-0 0. Totals 21-61 7-10 59. Elizabethtown................. 28 20 12 - 60 Susquehanna................... 23 25 11 - 59 3-point goals-Elizabethtown 4-17 (Courtney Kofeldt 1-6; Megan Romano 1-2; Erin Walton 1-3; Mell Fitzpatrick 1-3; Amanda Reid 0-1; Megan Quinn 0-2), Susquehanna 10-26 (Sarah Jane Kalejta 3-4; Nikki Smith 3-8; Jen Clark 3-4; Val Houseal 1-3; Meg Loughran 0-1; Crystal Schneck 0-1; Samantha Jansson 0-1; Courtney Thibeault 0-2; Ruth Williamson 0-2). Fouled out--Elizabethtown-None, Susquehanna-None. Rebounds-Elizabethtown 45 (Audrey Hitz 15), Susquehanna 31 (Samantha Jansson 6). Assists-Elizabethtown 14 (Audrey Hitz 5), Susquehanna 14 (Sarah Jane Kalejta 4). Total fouls-Elizabethtown 11, Susquehanna 9. A-115