Time | Date | Name | Team | Meet |
---|---|---|---|---|
46.63 | Feb. 23, 2018 | Preston Martinson | Billings YMCA Seahawks | Montana Swimming Short Course Championships |
47.88 | Nov. 8, 2014 | Jesse McCormick | Missoula YMCA Swim Team | MT MAC Fall Invitational |
51.96 | March 7, 2014 | Jesse McCormick | Missoula YMCA Swim Team | Montana Swimming Short Course Championships |