| Mark | Athlete | School | Year | Meet |
|---|
| 1:53.82 | Keagen Crosby | Missoula Sentinel (AA) | 11 | State AA |
| 1:54.45 | Sam Ells | Glacier (AA) | 12 | State AA |
| 1:55.35 | Colter Kirkland | Hamilton (A) | 12 | State A |
| 1:55.54 | Nathan Neil | Bozeman (AA) | 10 | Eastern AA Divisional |
| 1:56.20 | Colin Shaules | Missoula Sentinel (AA) | 12 | State AA |
| 1:56.22 | Jeremy Bockus | Browning (A) | 12 | Archie Roe Invite |
| 1:56.57 | Lane Cole | Hamilton (A) | 12 | Western A Divisional |
| 1:56.61 | Weston Brown | Bozeman (AA) | 11 | Eastern AA Divisional |
| 1:57.04 | Brandon Emineth | Red Lodge (B) | 12 | State B |
| 1:57.65 | Jack Jensen | Bigfork (A) | 10 | State B |
| 1:57.98 | Henry Ballinger | Helena Capital (AA) | 11 | Capital-Hellgate Dual |
| 1:58.00 | Daniel Wiltse | Missoula Hellgate (AA) | 11 | State AA |
| 1:58.12 | Luke Sullivan | Helena Capital (AA) | 12 | Skor DeKam Invite |
| 1:58.33 | Brinson Wyche | Corvallis (A) | 12 | State A |
| 1:58.80 | Aaron French | Helena (AA) | 10 | State AA |
| 1:58.82 | Seth Petsch | Billings West (AA) | 12 | State AA |
| 1:59.74 | Peter Rehberger | Gallatin (Bozeman) (AA) | 12 | Skor DeKam Invite |
| 1:59.76 | Kesler Hughes | Flathead (AA) | 12 | Western AA Divisional |
| 2:00.16 | Tyler Jost | Helena Capital (AA) | 12 | Western AA Divisional |
| 2:00.21 | Tayjon Joe | Hardin (A) | 12 | Midland Roundtable Top 10 |
| 2:00.40 | Finneas Colescott | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 2:00.67 | Tyler Avery | Glacier (AA) | 11 | Russ Plicher Top 10 |
| 2:00.68 | Andrew Durgan | Park/Livingston (A) | 11 | Midland Roundtable Top 10 |
| 2:00.70 | Jackson Triepke | Missoula Hellgate (AA) | 12 | Western AA Divisional |
| 2:00.70 | Barrett Garcia | Whitefish (A) | 12 | Russ Plicher Top 10 |
| 2:00.78 | Trevor Grant | Troy (B) | 11 | State B |
| 2:00.84 | Rex Hamling | Bozeman (AA) | 12 | Butte-Bozeman-Gallatin Tri |
| 2:00.86 | Ridley Key | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 2:01.07 | Payden Cantalupo | Manhattan (B) | 11 | State B |
| 2:01.14 | Ryan Harrington | Great Falls (AA) | 10 | Great Falls Crosstown Dual |
| 2:01.17 | Wyatt Ehredt | Frenchtown (A) | 11 | Western A Divisional |
| 2:01.19 | Shaphan Hubner | Manhattan Christian (C) | | Western C Divisional |
| 2:01.39 | Jakob Hansen | Frenchtown (A) | | Western A Divisional |
| 2:01.44 | Konnor Gregerson | Laurel (A) | 12 | Eastern A Divisional |
| 2:01.58 | Hunter Bailey | Baker (B) | 10 | State B |
| 2:01.66 | Gus Tehle | Great Falls (AA) | 12 | Great Falls Crosstown Dual |
| 2:01.69 | Nate Ingelfinger | Whitefish (A) | 11 | Western A Divisional |
| 2:01.69 | Jaxon Straus | Billings West (AA) | 11 | Billings West-Bozeman Dual |
| 2:01.70 | Ben Shaules | Missoula Sentinel (AA) | 9 | Western AA Divisional |
| 2:01.84 | Derek Criddle | Corvallis (A) | 10 | Nelson-Thomas ABC Meet |
| 2:02.01 | Ian Harrison | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 2:02.13 | Connor Neil | Bozeman (AA) | 12 | Eastern AA Divisional |
| 2:02.15 | Gabe Felton | Flathead (AA) | 12 | Flathead-Hellgate-Sentinel Tri |
| 2:02.20 | Alex Nelson | Huntley Project (B) | 12 | State B |
| 2:02.39 | Bryce Williams | Joliet (B) | 11 | State B |
| 2:02.46 | Jacob Curry | Helena Capital (AA) | 12 | Helena Crosstown Dual |
| 2:02.49 | Gage Gunther | Custer Co./Miles City (A) | 10 | State A |
| 2:02.61 | Brady Sheldon | Billings West (AA) | 10 | Billings West-Bozeman Dual |
| 2:02.66 | Thomas Hicks | Gallatin (Bozeman) (AA) | 11 | Midland Roundtable Top 10 |
| 2:02.69 | Elias Stops at Pretty Places | Hardin (A) | 11 | Eastern A Divisional |
| 2:02.74 | Dalton Sand | Glasgow (B) | 12 | State B |
| 2:02.84 | Carson DesRosier | Helena Capital (AA) | | Western AA Divisional |
| 2:03.04 | Gavin Garrison | Beaverhead Co./Dillon (A) | 11 | Western A Divisional |
| 2:03.16 | Morgan Hendrickson | Twin Bridges (C) | 12 | Western C Divisional |
| 2:03.35 | Oren Arthun | Manhattan Christian (C) | 10 | State C |
| 2:03.37 | Samuel Nash | Belgrade (AA) | 12 | Last Chance Qualifier |
| 2:03.49 | Sawyer Shelmerdine | Seeley-Swan (C) | 12 | Western C Divisional |
| 2:03.54 | Caleb Tomac | Havre (A) | 10 | Eastern A Divisional |
| 2:03.68 | Alduran Takes Enemy | Hardin (A) | 12 | Fergus Invite |
| 2:03.70 | Ben Steadman | Beaverhead Co./Dillon (A) | 11 | State A |
| 2:04.67 | Kevin Graves | Huntley Project (B) | 12 | Laurel Invite |
| 2:04.74 | Andrew Rush | Saint Ignatius (B) | 11 | Western B Divisional |
| 2:04.77 | Samuel Bryant | Drummond (C) | 12 | Western C Divisional |