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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 21.69 | March 12, 2013 | Jack Conger | Rockville Montgomery Swim Club | NCSA Junior National Swimming Champs |
| 22.40 | March 24, 2007 | Josh Hafkin | Rockville Montgomery Swim Club | NCSA Junior Nationals |
| 23.08 | March 22, 2005 | Josh Hafkin | Rockville Montgomery Swim Club | NCSA Junior National Championships |
| 23.34 | March 22, 2004 | Josh Hafkin | Rockville Montgomery Swim Club | NCSA Junior National Championships |
| 24.23 | April 7, 2003 | Adam Brenneman | Nations Capital Swim Club | NCSA Junior National Championships |
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