Christina Sampson had 18 points and eight rebounds to lead St. Olaf (1-12, 1-9 MIAC).
The Gusties (11-2, 8-2 MIAC) forced 28 turnovers and hit 12 three-pointers in the win, five by Vadnais alone.
St. Olaf got within ten with 7:01 to play but had seven turnovers and made just one field goal, a Holly Grimsrud 3-pointer, in the final minutes.
GAC 80, STO 56 GAC (11-3, 8-2 MIAC) Jess Vadnais 5-12 7-8 22; Bri Monahan 8-17 2-2 19; Julia Schultz 4-4 1-3 11; Erin Boese 2-6 2-2 7; Ashley Raymo 2-5 0-0 5; Katie Layman 1-4 2-2 4; Brianna Radtke 2-3 0-3 4; Jessi Weber 1-1 0-0 3; Emily Nelson 1-2 0-0 3; Lindsey Kolden 1-2 0-0 2. Totals 27-56 14-20 80. STO (1-12, 1-9 MIAC) Christina Sampson 6-10 3-3 18; Holly Grimsrud 3-9 0-0 8; Kelsey Oja 3-7 0-0 7; Kristina Stoermer 3-7 0-0 6; Laura Jorgensen 2-5 0-3 5; Mary Kleingarn 1-2 2-2 4; Britta Hendrickson 2-4 0-0 4; Danielle Stoermer 1-2 0-3 2; Natalie Holm 0-1 0-0 0; Tasha Mrosak 0-1 0-0 0. Totals 21-48 7-13 56. GAC........................... 38 42 - 80 STO........................... 27 29 - 56 3-point goals-GAC 12-27 (Jess Vadnais 5-8; Julia Schultz 2-2; Jessi Weber 1-1; Emily Nelson 1-1; Bri Monahan 1-4; Ashley Raymo 1-4; Erin Boese 1-5; Lindsey Kolden 0-1; Brianna Radtke 0-1), STO 7-21 (Christina Sampson 3-7; Holly Grimsrud 2-8; Kelsey Oja 1-3; Laura Jorgensen 1-2; Danielle Stoermer 0-1). Fouled out--GAC-None, STO-None. Rebounds-GAC 27 (Bri Monahan 8), STO 34 (Christina Sampson 8). Assists-GAC 19 (Jess Vadnais 4), STO 15 (Mary Kleingarn 5). Total fouls-GAC 15, STO 17. A-150