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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 41.22 | Dec. 2, 2017 | Nathan Adrian | California Aquatics | USA Swimming Winter National Championships |
| 41.31 | Dec. 6, 2014 | Nathan Adrian | California Aquatics | AT&T Winter Nationals - College Results |
| 41.39 | Dec. 7, 2013 | Nathan Adrian | California Aquatics | AT&T Winter National Championships |
| 41.75 | Dec. 6, 2008 | William Copeland | California Aquatics | ConocoPhillips Short Course Championships |
| 45.08 | March 7, 1999 | TRENT HOLSMAN | Terrapins Swim Team | PC PSL Senior Championships |
USA Swimming
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