| Time | Date | Name | Meet |
|---|---|---|---|
| 1:38.78 | March 2, 2023 | Humberto Najera | Speedo Sectionals - Carlsbad |
| 1:38.94 | Dec. 10, 2021 | Jaden Ficklen | Speedo Winter Junior Championship West |
| 1:39.82 | Dec. 8, 2021 | Keller Morgan | Speedo Winter Junior Championship West |
| 1:40.17 | Nov. 6, 2021 | Jaden Ficklen | CA RMDA Kevin B Perry Senior Invitational |
| 1:41.16 | June 20, 2021 | Keller Morgan | CA SET/SCS BLUE Summer Invitational |
| 1:42.08 | Dec. 4, 2020 | Keller Morgan | AZ NEP Holiday Swim Festival |
| 1:42.86 | Oct. 23, 2020 | Keller Morgan | AZ NEP Saint Crispins Day |
| 1:43.18 | Dec. 16, 2018 | Zach Taylor | Speedo Champions Series - CA NV |
| 1:43.98 | Nov. 3, 2018 | Zach Taylor | CA RMDA Kevin Perry Senior Invitational |
| 1:44.05 | Dec. 17, 2017 | Jack Trujillo | Speedo Champions Series - CA NV |
| 1:44.62 | Dec. 18, 2016 | Kyle Monteleone | CA December CA NV Sectional Championship |
| 1:47.96 | Dec. 20, 2015 | Kyle Monteleone | CA December CA NV Sectional Championship |
| 1:49.91 | Dec. 18, 2015 | Kaikea Wilinski | CA RMDA Senior Invitational |
| 1:50.90 | Dec. 6, 2015 | Kyle Monteleone | SCS December Club Championship |
| 1:51.25 | Nov. 7, 2015 | Kyle Monteleone | CA RMDA Kevin Perry Senior Invitational |
