The Austin boys swimming team broke four school records and it will swim in the finals in five events after it had a big day at the Class A preliminaries in the University of Aquatic Center in Minneapolis Friday.

Craig Heimark broke his own 100-yard freestyle record with a time of 46.94 seconds as he took second in the event and he broke his own 50-yard freestyle record with a time of 21.5 seconds and he took fourth in that event.

Ben Walker took fourth in the 100-yard butterfly as he broke the AHS record with a time of 51.89 seconds and Sawyer Myers broke the 500-yard freestyle record with a time of 4:55.15 in an event he took 12th in.

The Packer 200- and 400-yard freestyle relay team both advanced to Saturday’s finals.

Heimark was .03 of a second behind Sam Johanns of St. Thomas Academy in the 100-freestyle prelims.

AUSTIN RESULTS

200-medley relay: Sam Clasen, Matthew Knoll, Ben Walker, Seth Clasen (11th, 1:43.51)

200-freestyle: Isaac Christopherson (15th, 1:48.99)

200-individual medley: Sawyer Myers (13th, 2:03.25)

50-freestyle: Craig Heimark (fourth, 21.50)

100-butterfly: Ben Walker (fourth, 51.89); Seth Clasen (11th, 53.48)

100-freestyle: Craig Heimark (second, 46.94)

500-freestyle: Sawyer Myers (12th, 4:55.15); Isaac Christopherson (21st, 5:01.86)

200-freestyle relay: Craig Heimark, Seth Clasen, Isaac Christopherson, Sawyer Myers (fifth, 1:29.39)

400-freestyle relay: Craig Heimark, Isaac Christopherson, Ben Walker, Sawyer Myers (fourth, 3:16.30)