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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 51.13 | March 11, 2010 | Joshua Davis | Dakota Riptide | Speedo Champions Series - Minneapolis |
| 52.96 | March 20, 2009 | Joshua Davis | Mitchell Aquatic Club | NCSA Junior National Swimming Championships |
| 54.01 | March 13, 2003 | Paul Suwannapasri | Sioux Falls Snowfox | Speedo Champions Series - Minneapolis |
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