| Mark | Athlete | School | Year | Meet |
|---|
| 1:51.73 | Wilson Schmidt | Belgrade (AA) | 11 | Midland Roundtable Top 10 |
| 1:53.75 | Dylan Hill | Helena (AA) | 11 | Western AA Divisional |
| 1:53.97 | Kasen Kastner | Flathead (AA) | 12 | MCPS Invitational |
| 1:54.73 | Owen Thiel | Glacier (AA) | 11 | Western AA Divisional |
| 1:55.62 | Taylor Neil | Bozeman (AA) | 10 | Last Chance Qualifier |
| 1:55.74 | Reid Bartholomew | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisional |
| 1:55.82 | Henry Sund | Helena (AA) | 12 | Western AA Divisional |
| 1:56.09 | Christian Landers | Bozeman (AA) | 11 | Last Chance Qualifier |
| 1:56.48 | Chandler Christensen | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 1:57.12 | Isaiah Cowan | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 1:57.78 | Chris Jenemann | Helena (AA) | 12 | Western AA Divisional |
| 1:58.01 | Elliot Stimpson | Helena (AA) | 12 | Great Falls v Helena |
| 1:58.80 | Kye McAbee | Billings West (AA) | 11 | Senior/Gallatin/West Triangular |
| 1:58.86 | Emerson Hamma | Great Falls CMR (AA) | 11 | Capital/CMR Dual |
| 1:58.89 | Riley Kacher | Billings West (AA) | 11 | Eastern AA Divisional |
| 1:59.18 | Milo Kauffman | Helena (AA) | 10 | Great Falls v Helena |
| 1:59.26 | Jake Matthews | Helena (AA) | 12 | Great Falls v Helena |
| 1:59.44 | Axel Kowalski | Helena (AA) | 9 | Great Falls/Helena Dual |
| 1:59.45 | Camden Houchin | Butte (AA) | 11 | Big Sky/Butte Dual |
| 1:59.57 | Teigan Blomquist | Billings West (AA) | 11 | Midland Roundtable Top 10 |
| 1:59.61 | Ethan DeLeon | Billings Senior (AA) | 11 | Billings Central Invite |
| 2:00.12 | Thatcher Schmidt | Belgrade (AA) | 11 | Last Chance Qualifier |
| 2:00.12 | Evan Colberg | Helena Capital (AA) | 12 | Russ Plicher Western Top 10 |
| 2:01.15 | Charlie Gruber | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 2:01.28 | Kiedis MacFarlane | Gallatin (Bozeman) (AA) | 12 | Belgrade Quad |
| 2:01.69 | Branlin Foote | Bozeman (AA) | 10 | Eastern AA Divisional |
| 2:01.70 | Sander Van Cleave | Missoula Sentinel (AA) | 10 | Missoula "Greg Rice" City Meet |
| 2:01.77 | Conner Klumph | Missoula Sentinel (AA) | 12 | Western AA Divisional |
| 2:02.00 | Jack Syverson | Glacier (AA) | 12 | Western AA Divisional |
| 2:02.07 | Miles Joseph Miller | Missoula Hellgate (AA) | 10 | Western AA Divisional |
| 2:02.45 | Eamon Fitzgerald | Missoula Hellgate (AA) | 12 | Western AA Divisional |
| 2:02.55 | Owen Powell | Bozeman (AA) | 10 | Skyview/Bozeman/Belgrade Tri |
| 2:02.62 | Jacob Christensen | Billings Skyview (AA) | 10 | Eastern AA Divisional |
| 2:02.63 | Mekhi Ladson | Billings Skyview (AA) | | Dan Hansen Invitational (WY) |
| 2:02.69 | Gabriel Rock | Billings Skyview (AA) | 10 | Eastern AA Divisional |
| 2:02.81 | Cole Rasmuson | Bozeman (AA) | | Billings Invite |
| 2:02.92 | Conrad Schruth | Great Falls (AA) | 12 | Great Falls/Helena Dual |
| 2:02.94 | Cameron Guelde | Bozeman (AA) | | Billings Invite |
| 2:02.99 | Jude Sparkman | Glacier (AA) | 11 | Western AA Divisional |
| 2:03.19 | Isaiah Hudson | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 2:03.49 | Charles Clater | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 2:03.75 | Layne Niemeyer | Billings Skyview (AA) | 12 | Billings City Meet |