| Time | Date | Name | Meet |
|---|---|---|---|
| 1:24.57 | Feb. 15, 2019 | North, Wietharn, McMonigle, Stewart | Kansas 6A Boys State Championship |
| 1:25.47 | Feb. 17, 2017 | Fisher, Stamper, Johnson, DiSette | Kansas Boys 6A High School Championships |
| 1:27.33 | Feb. 21, 2014 | North, Bakalar, Vance, Zhou | Kansas Boys 6A High School Championships |
| 1:28.95 | Feb. 15, 2013 | North, Boyd, Zhou, Bakalar | Kansas Boys 1-6A High School Championships |
