LaMastus had three wins and a second place finish against perennial power Ithaca College on Saturday afternoon. He started the day by teaming with his brother, Wade, Colby Watkins and Emmanuel Drappatz in the 200-yard medley relay, winning the event with a time of 1:37.10 over the Ithaca time of 1:37.77. LaMastus then led a 1-2-4 finish in the 50-yard backstroke as he swam in 24.41 seconds to clinch his first individual win of the day, defeating Ithaca by 1.19 seconds. His final individual victory was in the 200-yard individual medley, edging out the win with his time of 2:01.76, winning by 0.18 seconds. LaMastus added a second place finish in the 100-yard backstroke with a time of 54.39. It is his second E8 weekly honor of 2023-24.