| Name | Time | Date | Meet |
|---|---|---|---|
| Joe Grebner | 27.45 | July 23, 2022 | 2022 SD LC Championships |
| Joe Grebner | 28.65 | July 24, 2021 | South Dakota LC Championships |
| Joe Grebner | 29.20 | July 9, 2021 | 2021 SD SFST Sanford Power Invite |
| Joe Grebner | 29.23 | June 19, 2021 | SD ASC Aberdeen Summer High P |
| Joe Grebner | 29.54 | July 27, 2019 | South Dakota Long Course Championships |
| Jacob Fuhrman | 29.35 | July 24, 2009 | Speedo Champions Series - Minneapolis |
