| Name | Time | Date | Meet |
|---|---|---|---|
| Joe Grebner | 32.05 | July 23, 2023 | 2023 SD State A Long Course Meet |
| Joe Grebner | 32.43 | July 9, 2023 | 2023 ND AQUASTORM SUMMER SIZZLER MEET |
| Joe Grebner | 32.45 | July 24, 2022 | 2022 SD LC Championships |
| Joe Grebner | 33.60 | July 28, 2019 | South Dakota Long Course Championships |
| Joe Grebner | 34.63 | June 30, 2019 | SD Scheels Independence Day Invite |
| Dan Grebner | 35.08 | June 16, 2018 | SD ASC Aberdeen Summer High P |
| Mitch Rux | 51.21 | June 8, 2018 | SD Brookings High Point |
| Quinton Anderson | 1:06.92 | April 28, 2018 | Augustana Spring Splash |
