| Time | Date | Name | Meet |
|---|---|---|---|
| 1:25.52 | Feb. 17, 2024 | Lindner, Kleinschmit, Peng, Taufen | IHSA Boys Sectional - Skokie |
| 1:25.86 | Feb. 21, 2015 | Lafont-Mueller, Lafont-Mueller, Girard, Stankovic | 15 Illinois Boys Sectional Championships - Glenbrook South |
| 1:26.04 | Feb. 28, 2014 | Stankovic, Seguine-Hall, Lafont-Mueller, Russo | 14 Illinois State Championships - Boys |
| 1:26.31 | Feb. 27, 2004 | Negronida, Vogel, Johnson, Johnson | IHSA Boys State Championships |
