| Mark | Athlete | School | Year | Meet |
|---|
| 1:55.09 | Jonathan Harrison | Missoula Sentinel (AA) | 12 | State AA |
| 1:56.38 | Will Dauenhauer | Missoula Hellgate (AA) | 12 | State AA |
| 1:56.45 | Elijah Boyd | Glacier (AA) | 12 | State AA |
| 1:56.84 | Braden Stremcha | Great Falls CMR (AA) | 12 | State AA |
| 1:57.38 | Joseph Vanden Bos | Glacier (AA) | 12 | State AA |
| 1:58.31 | Isaac Schmidt | Missoula Hellgate (AA) | 12 | Sentinel-Hellgate-Flathead Tri |
| 1:58.34 | Jake Vetter | Butte (AA) | 11 | State AA |
| 1:58.94 | Duncan Hamilton | Bozeman (AA) | 12 | Bozeman Triangular |
| 1:59.37 | Kyle Calles | Flathead (AA) | 11 | State AA |
| 2:00.08 | Van Gottwals | Billings West (AA) | 11 | State AA |
| 2:00.12 | Ben Perrin | Flathead (AA) | 11 | Swede Dahlberg Invitational |
| 2:00.60 | Leonard McComas | Bozeman (AA) | 12 | State AA |
| 2:01.08 | Teagan Olson | Great Falls (AA) | 12 | Big Sky/Capital/Great Falls Triangular |
| 2:01.63 | Spencer Bartow | Helena Capital (AA) | 12 | State AA |
| 2:02.24 | Keaton Fischer | Flathead (AA) | 10 | Western AA Divisional |
| 2:02.29 | Logan Straus | Billings West (AA) | 12 | Midland Roundtable Top 10 |
| 2:02.38 | Griffin May | Bozeman (AA) | 10 | Eastern AA Divisional |
| 2:02.49 | Cooper West | Great Falls CMR (AA) | 12 | Billings Skyview Triangular |
| 2:02.80 | Ethan Wilson | Billings Senior (AA) | 11 | Eastern AA Divisional |