| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 21.28 | April 3, 2019 | Nick Andres | YMCA Short Course National Championships | |
| 100 Free | 46.50 | April 11, 2021 | Ryan Heller | YMCA Swimming Festival (Virtual) | |
| 200 Free | 1:41.29 | April 7, 2004 | Chris Schenck | YMCA Nationals Short Course Championships | |
| 500 Free | 4:28.79 | April 4, 2019 | Nick Andres | YMCA Short Course National Championships | |
| 1000 Free | 9:17.17 | April 1, 2019 | Nick Andres | YMCA Short Course National Championships | |
| 1650 Free | 15:43.32 | April 5, 2019 | Nick Andres | YMCA Short Course National Championships | |
| 50 Back | 22.75 | April 2, 2015 | Max St. George | YMCA Short Course National Championship | |
| 100 Back | 48.33 | April 1, 2015 | Max St. George | YMCA Short Course National Championship | |
| 200 Back | 1:49.82 | April 3, 2014 | Max St. George | YMCA Short Course National Championship | |
| 50 Breast | 29.88 | March 23, 2023 | Michael McNally | ISCA International Senior Cup | |
| 100 Breast | 57.01 | April 5, 2019 | James Doromal | YMCA Short Course National Championships | |
| 200 Breast | 2:02.15 | April 2, 2019 | James Doromal | YMCA Short Course National Championships | |
| 50 Fly | 24.72 | March 22, 2023 | Michael McNally | ISCA International Senior Cup | |
| 100 Fly | 49.88 | March 31, 2015 | Max St. George | YMCA Short Course National Championship | |
| 200 Fly | 1:49.40 | April 5, 2019 | Nick Andres | YMCA Short Course National Championships | |
| 100 IM | 1:00.49 | Oct. 29, 2023 | Corey Beard | IL CWAC Howlaween | |
| 200 IM | 1:50.27 | April 4, 2019 | James Doromal | YMCA Short Course National Championships | |
| 400 IM | 3:53.72 | April 3, 2019 | James Doromal | YMCA Short Course National Championships | |
| 200 Free Relay | 1:25.48 | April 9, 2009 | YMCA Short Course National Championships | ||
| 400 Free Relay | 3:05.25 | April 7, 2009 | YMCA Short Course National Championships | ||
| 800 Free Relay | 6:52.18 | April 8, 2009 | YMCA Short Course National Championships | ||
| 200 Medley Relay | 1:35.95 | April 2, 2015 | George, Sheriff, Sivak, Williams | YMCA Short Course National Championship | |
| 400 Medley Relay | 3:30.22 | March 17, 2019 | Fischer, Doromal, Andres, Vergara | Illinois YMCA State Championship |
