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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 17.34 | Dec. 8, 2018 | Austin Smith | Baltimore City Swim Club | MD GTAC 8-under Holiday Mini Meet |
| 17.84 | May 12, 2018 | Luke Hayburn | Annapolis Swim Club | MD GTAC 8-under Aquatic Festival |
| 18.66 | Feb. 18, 2017 | Kevin Zheng | YMCA of Central Maryland | C&P Sub District Champion |
| 18.76 | Dec. 4, 2016 | Kevin Zheng | YMCA of Central Maryland | 7th Annual Mark Schisler Memor |
| 19.14 | Jan. 28, 2007 | Frank Legambi | Bel Air Athletic Club | QDD Snowflake Classic |
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