| Time | Date | Name | Meet |
|---|---|---|---|
| 53.99 | July 28, 2021 | Luke Swiggett | Western Zone Senior Championships |
| 54.60 | July 15, 2021 | Luke Swiggett | Speedo Sectionals - Roseville, CA (CA/NV) |
| 55.32 | Aug. 5, 2018 | Ziad Mosalam | USA Swimming Futures Championships - Santa Clara |
| 55.58 | July 27, 2018 | Ziad Mosalam | PC OAPB Far Western LCM Championships |
| 59.14 | July 26, 2017 | Ziad Mosalam | PC Far Western Long Course Championships |
| 1:00.15 | July 31, 2013 | Spencer Tang | Speedo Far Western Championships |
| 1:14.04 | June 22, 2013 | Maxime Hendrikse-Liu | JO Last Chance |
| 1:23.40 | May 25, 2013 | Deniz Jones | CA TIGR Tiger Aquatics Memorial Day Meet |
