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| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 1:30.53 | Feb. 14, 2020 | Christian, Wesley, Whitsett, Wesley | Episcopal Academy | Eastern Interscholastic Swimming Championship |
| 1:32.09 | Feb. 15, 2019 | Christian, Wesley, Whitsett, Wesley | Episcopal Academy | Eastern Interscholastic Swimming Championship |
| 1:32.12 | Feb. 16, 2018 | Boratto, Octaviano, Leitz, Brooks | The Haverford School | Eastern Interscholastic Swimming Championships |
| 1:32.70 | Feb. 24, 2017 | Boratto, Octaviano, Ryan, Brooks | The Haverford School | Eastern Interscholastic Swimming Championships |
| 1:33.06 | Feb. 25, 2011 | Carroll, Zhang, Monaghan, Kupke | Mercersburg Academy | 111st Eastern Interscholastic Swimming Championships |
| 1:34.63 | Feb. 20, 2009 | Bonus, Acquaviva, Cooper, Lordi | William Penn Charter School | 109th Eastern Interscholastic Swimming Championships |
| 1:38.12 | Feb. 22, 2008 | Thomson, Paloni, MCCARTHY, Holmes | Mercersburg Academy | Eastern Interscholastic Swimming Championship |
| 1:38.25 | Jan. 27, 2007 | MCCARTHY, MCANELLY, DUNLAP, WHITNEY | Malvern Prep School | NATIONAL CATHOLIC H.S. CHAMPIONSHIPS |
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