| Mark | Athlete | School | Year | Meet |
|---|
| 22.18 | Alex Wambach | Billings West (AA) | 12 | Midland Roundtable Top 10 Meet |
| 22.30 | Jake Messerly | Missoula Sentinel (AA) | 11 | Western Montana Top 10 |
| 22.45 | Nolan Saraceni | Billings Senior (AA) | 11 | State AA Track Meet |
| 22.50 | Tyler Roush | Billings West (AA) | 10 | Midland Roundtable Top 10 Meet |
| 22.51 | Dalton Daum | Butte (AA) | 9 | State AA Track Meet |
| 22.56 | John Daubert | Billings Senior (AA) | 12 | Eastern AA Divisional |
| 22.60 | Trey Cates | Great Falls CMR (AA) | 12 | Great Falls Crosstown Meet |
| 22.62 | Gunnar Brekke | Helena Capital (AA) | 11 | Capital Triangular |
| 22.63 | Cody Carriger | Butte (AA) | 12 | Bozeman Triangular |
| 22.69 | Kyle Nickol | Helena Capital (AA) | 10 | Capital Triangular |
| 22.71 | Alex Mustard | Missoula Big Sky (AA) | 10 | Capital Triangular |
| 22.73 | Bo Taylor | Butte (AA) | 11 | Capital-Butte Dual |
| 22.80 | Chris Allen | Belgrade (AA) | 12 | Bozeman Triangular |
| 22.83 | Jordan Umstead | Helena (AA) | 11 | Helena Crosstown Meet |
| 22.96 | Drake Schafer | Billings Skyview (AA) | 10 | Kelly Walsh Invitational |
| 22.99 | Landon Polkow | Billings Skyview (AA) | 12 | Eastern AA Divisional |
| 23.02 | Alex Thomas | Great Falls CMR (AA) | 10 | CMR Triangular |
| 23.14 | Austin Hardy | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 23.17 | Colter Porter | Billings West (AA) | 11 | Eastern AA Divisional |
| 23.20 | Jacob Kvilhaug | Billings West (AA) | 11 | 5-5 Billings West Triangular |