Hannah Kastigar graduated from Northern State University in 2019 with a Bachelor of Science in Human Performance and Fitness and minor in Health Education. As the first National Champion in program history, Kastigar recorded a decorated career with the swim team from 2016-19. She was a 3-time NCAA National Champion, 8-time NCAA All-American, and 7-time NSIC Conference Champion for the Wolves. Her first national championship came on March 9, 2017, in the 400 IM with a then school record time of 4:12.99. She followed that up with her second title the following day in the 200 butterfly with a time of 1:58.36. Her third and final national crown came in March of 2019, breaking her own school record in the 400 IM with a time of 4:11.15, defeating the runner-up by six seconds. Kastigar recorded All-American honors in the 200 IM (2017, 2019), 400 IM (2017, 2019), 100 butterfly (2017), 200 butterfly (2017, 2019), and 200 breaststroke (2019). In 2017, she won NSIC Championships in the 100 butterfly, 200 butterfly, 200 IM, and 400 IM, and was both the NSIC Championships Swimmer of the Meet and Swimmer of the Year. As a senior in 2019, Kastigar won the NSIC Championships in the 200 butterfly, 200 IM, and 400 IM, and was again honored as the NSIC Swimmer of the Year.
Kastigar continues to hold Northern State school records in the 50 freestyle, 100 freestyle, 200 freestyle, 1,000 freestyle, 50 backstroke, 50 breaststroke, 100 breaststroke, 200 breaststroke, 50 butterfly, 100 butterfly, 200 butterfly, 200 IM, and 400 IM, and Northern Sun Conference records in the 200 IM, 400 IM, 100 butterfly, and 200 butterfly. She closed out her Northern State career as the 2019 Hildred Wolfe Award winner and 2019 Thunder Award Female Performance of the Year winner. Kastigar competed on the national stage at the US Olympic Trials in 2012, 2016, and 2021 competing in the 400 IM, 200 IM, 200 backstroke, 200 butterfly.
