| Time | Date | Name | Meet |
|---|---|---|---|
| 3:32.48 | Nov. 10, 2018 | Field, Rosenthal, Denenberg, Morris | IHSA Sectionals - Downers Grove (Girls) |
| 3:33.49 | Nov. 14, 2015 | Reese, Denenberg, Davis, Armstrong | Illinois Girls Sectional Championships - Downers Grove |
| 3:36.47 | Nov. 15, 2014 | Davis, Reese, Armstrong, Lay | 15 Illinois Sectional Championships - York |
| 3:38.32 | Nov. 16, 2013 | Lay, Armstrong, Boak, Beese | 14 Illinois Sectional Championships - Girls - Downers Grove North |
| 3:38.61 | Nov. 19, 2010 | Xue, McGavock, Hsu, Roeing | Illinois Girls State Championships |
