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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 50.43 | July 2, 2008 | Jordan Huff | Dubuque Area Swimmin' Hurricanes | U.S. Olympic Team Trials |
| 51.19 | Aug. 7, 2007 | Jordan Huff | Dubuque Area Swimmin' Hurricanes | Speedo Junior National Championships |
| 52.72 | Aug. 8, 2006 | Jordan Huff | Dubuque Area Swimmin' Hurricanes | USA Swimming Junior National Championships |
| 52.83 | July 24, 2003 | Adam Mitchell | Central Iowa Aquatics | Speedo Champions Series - Minneapolis |
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