| Name | Time | Date | Meet |
|---|---|---|---|
| John Bossler | 1:40.98 | March 14, 2021 | 2021 Indiana Swimming Senior Championships |
| Gage Hannewyk | 1:41.31 | March 13, 2021 | 2021 Indiana Swimming Senior Championships |
| Gage Hannewyk | 1:41.90 | Nov. 14, 2020 | 2020 IN ELK Skypoint Transit Invitational |
| Gage Hannewyk | 1:44.30 | Oct. 10, 2020 | 2020 IN IA Octoborona |
| Danny Lutkus | 1:43.39 | March 14, 2004 | Indiana Senior State |
| Louis Cavadini | 1:45.03 | March 14, 2003 | Indiana Senior State |
