| Rank | Time | Student | School | Date | |
| 1 | 1:24.20 | | Lee's Summit West | 11/13/2021 | Class 2 |
| 2 | 1:24.56 | | Lee's Summit North | 11/16/2019 | |
| 3 | 1:24.62 | - | Rockhurst | 11/14/2009 | |
| 4 | 1:24.64 | | SLUH | 11/15/2019 | |
| 5 | 1:24.74 | | Parkway Central | 11/10/2023 | |
| 6 | 1:24.84 | | Park Hill South | 11/11/2023 | |
| 7 | 1:24.85 | | SLUH | 11/15/2019 | |
| 8 | 1:24.89 | - | Rockhurst | 11/15/2008 | |
| 8 | 1:24.89 | | Rockhurst | 11/12/2021 | |
| 10 | 1:25.18 | | Rockhurst | 11/13/2021 | |
| 11 | 1:25.54 | | Staley | 11/15/2024 | |
| 12 | 1:25.57 | | Liberty | 11/15/2024 | |
| 13 | 1:25.74 | | Parkway Central | 11/12/2022 | Class 1 |
| 14 | 1:26.07 | - | John Burroughs | 11/16/2013 | |
| 15 | 1:26.08 | - | Rockhurst | 11/13/2010 | |
| 16 | 1:26.14 | - | Blue Springs South | 11/5/2016 | |
| 17 | 1:26.31 | - | Parkway West | 2/9/1996 | |
| 18 | 1:26.48 | - | Rock Bridge | 11/4/2017 | Class 2 |
| 19 | 1:26.62 | - | Blue Springs | 2/11/2006 | |
| 20 | 1:26.71 | - | Ft. Zumwalt South | 2/12/2000 | |
| 20 | 1:26.71 | - | Lee's Summit North | 11/16/2013 | |
| 22 | 1:26.85 | - | Kearney | 11/3/2017 | Class 1 |
| 23 | 1:27.21 | Graham Henderson | Liberty | 11/14/2024 | |
| 24 | 1:27.30 | - | Central (Cape Girardeau) | 11/3/2017 | Class 1 |
| 25 | 1:28.08 | - | St. Louis University | 11/4/2017 | Class 2 |
| 26 | 1:28.39 | - | Christian Brothers College | 11/4/2017 | Class 2 |
| 27 | 1:28.66 | - | Ft. Zumwalt West | 11/4/2017 | Class 2 |
| 28 | 1:29.03 | - | Liberty | 11/4/2017 | Class 2 |
| 29 | 1:30.09 | - | Logan-Rogersville | 11/3/2017 | Class 1 |
| 30 | 1:31.55 | - | Raytown | 11/2/2017 | Class 1 |
| 31 | 1:32.12 | - | Park Hill South | 11/3/2017 | Class 1 |