The Pipers shot 70.3 percent from the field in today's contest, besting the previous MIAC record of 70.0 percent, set by Augsburg in 1984.
The Gusties entered the game having won 10 of their previous 11 contests.
Jackie Kelly (Jr., Blaine, Minn.) started the Pipers off with a three-pointer and Hamline had a 10-point lead, 16-6, by the midway point of the half.
The Pipers stayed in control until the break, leading by six, 35-29.
Molly Mathiowetz (Jr.,. Sleepy Eye, Minn.) brought the Gusties to within two, 35-33, less than a minute into the second half on a free throw. Kelly quickly jumped the Piper lead back up to five with a three-pointer 10 seconds later.
Hamline regained their 10-point advantage six minutes into the half, 47-37, as Ayana Hicks (Fy., Saint Paul, Minn.) drained a trey. The Gusties then began their climb back, going on a 9-2 run to close to within one, 49-48, at 11:29.
This time it was Tromesa May (Fy., St. Louis Park, Minn.) who added to the Piper advantage to put Hamline up by three again, 51-48.
Gustavus tied the game, 52-52, for the first time with eight minutes on the clock, and then took their first lead, 55-54, at 6:47.
The teams exchanged small leads and ties until Kara Poirier (Fy., Eau Claire, Wis.) and May starting the Hamline scoring that put the Pipers ahead for good in the final minutes.
Mary Wilkowski (Jr., Savannah, Ga.) had 19 points to lead the Pipers while May had 13 points. The pair had eight rebounds apiece to lead the Pipers. Nikki Klinck (Jr., Hibbing, Minn.) had 12 point and Kelly rounded out the double-digit Pipers points with 10.
The Pipers' record is now 11-10, 9-9 MIAC while the Gusties fall to 17-4, 15-3 MIAC. Hamline will next host Saint Mary's on Wednesday, February 10, at 7:30 p.m.