| Name | Time | Date | Meet |
|---|---|---|---|
| Cole Stevenson | 55.86 | Nov. 5, 2023 | 2023 IN Skypoint Transit Invitational |
| Cole Stevenson | 56.45 | Oct. 22, 2023 | IN IA SUPERSTAR INVITATIONAL |
| Joe Radde | 56.50 | Dec. 11, 2020 | MI OLY Winter Invite |
| Sammy Sierra | 59.17 | Nov. 15, 2020 | 2020 IN ELK Skypoint Transit Invitational |
| Connor Craig | 59.84 | March 15, 2019 | Indiana Senior State Championships |
| Andy Wray | 57.75 | March 12, 2004 | Indiana Senior State |
| Andy Wray | 1:00.79 | March 14, 2003 | Indiana Senior State |
