| Name | Time | Date | Meet |
|---|---|---|---|
| Shaine Casas | 23.31 | July 28, 2022 | Phillips 66 National Championships |
| Shaine Casas | 23.42 | July 9, 2022 | Speedo Sectionals - Austin |
| Joseph Schooling | 23.51 | June 8, 2017 | GU AGS Senior Circuit #2 |
| Ian Crocker | 23.93 | June 29, 2008 | 2008 U.S. Olympic Team Trials |
| Ian Crocker | 24.16 | April 1, 2005 | 2005 World Championship Trials |
| Daniel Rohleder | 25.18 | Aug. 3, 2004 | 2004 ConocoPhillips National Championships |
| Tommy Hannan | 25.19 | Feb. 10, 2004 | ConocoPhillips Spring National Championships |
| Nate Dusing | 26.23 | June 2, 2000 | Texas Senior Circuit #2 |
