McCulloch set a program and conference meet record in the 100 butterfly at the 2015 SUNYAC Swimming & Diving Championships, clocking a 57.10 en route to winning her first SUNYAC title and earning First-Team All-SUNYAC honors. McCulloch, who also earned an NCAA "B" cut in the event, split a 26.15 at the 50-yard mark of the race. In addition, she placed fourth in the 50 freestyle (24.60, 24.34 prelims) and ninth (53.97) in the 100 freestyle. McCulloch also participated on the Hawks' third-place 200 medley relay (1:48.31), fourth-place 400 medley relay (4:01.33), fifth-place 200 freestyle relay (1:38.84) and fifth-place 400 freestyle relay (3:36.96). New Paltz finished third out of nine teams at the meet, falling just eight points short of catching second-place SUNY Oneonta.
