| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 23.30 | Nov. 14, 2003 | Drew Snabes | FL GSC Gator Fall Classic | |
| 100 Free | 50.65 | March 27, 2024 | Sam Cast | NCSA Age Group Championship | |
| 200 Free | 1:50.48 | March 28, 2024 | Sam Cast | NCSA Age Group Championship | |
| 500 Free | 4:52.22 | Nov. 14, 2003 | Drew Snabes | FL GSC Gator Fall Classic | |
| 1000 Free | 10:57.57 | March 9, 2023 | Everett Pumphrey | Illinois Short Course Age Group Championship | |
| 1650 Free | 17:58.01 | March 7, 2004 | Mike Davitt | Illinois Senior Championship | |
| 50 Back | 26.38 | March 10, 2024 | Lubo Liu-Tchorbadjiyski | IL Age Group SC Championship | |
| 100 Back | 56.64 | March 9, 2024 | Lubo Liu-Tchorbadjiyski | IL Age Group SC Championship | |
| 200 Back | 2:05.68 | March 8, 2024 | Lubo Liu-Tchorbadjiyski | IL Age Group SC Championship | |
| 50 Breast | 30.48 | March 28, 2024 | Sam Cast | NCSA Age Group Championship | |
| 100 Breast | 1:07.62 | March 27, 2024 | Sam Cast | NCSA Age Group Championship | |
| 200 Breast | 2:41.25 | July 19, 2019 | Owen Pelzek | IL LFSC Summer Regionals Championship | |
| 50 Fly | 24.14 | Nov. 14, 2003 | Drew Snabes | FL GSC Gator Fall Classic | |
| 100 Fly | 56.94 | March 30, 2024 | Lubo Liu-Tchorbadjiyski | NCSA Age Group Championship | |
| 200 Fly | 2:00.44 | Nov. 14, 2003 | Drew Snabes | FL GSC Gator Fall Classic | |
| 100 IM | 58.17 | March 30, 2024 | Sam Cast | NCSA Age Group Championship | |
| 200 IM | 2:06.50 | March 10, 2024 | Sam Cast | IL Age Group SC Championship | |
| 400 IM | 4:58.34 | Feb. 23, 2024 | Lubo Liu-Tchorbadjiyski | GSC Regional |
