| Mark | Athlete | School | Year | Meet |
|---|
| 48-07.25 | Sam Henderson | Butte (AA) | 12 | Western AA Divisional |
| 47-6.75 | Bridger Burrows | Laurel (A) | 11 | Eastern A Divisional |
| 47-05 | Aayden Simmons | Helena (AA) | 12 | Helena Crosstown Meet |
| 46-10 | Porter Gibbs | Missoula Big Sky (AA) | 12 | Helena/Big Sky/Hellgate Tri |
| 46-03.25 | Johnslee Pierre | Lustre Christian (C) | 11 | Eastern C Divisional |
| 46-00 | William Hollensteiner | Flathead (AA) | 11 | Western AA Divisional |
| 45-06 | Tamret Savik | Bigfork (A) | 11 | Nelson-Thomas ABC Meet |
| 44-06 | Dylan Garcia | Billings West (AA) | 11 | Eastern AA Divisional |
| 44-06 | Sean Klem | Billings West (AA) | 11 | Billings Invite |
| 44-06 | Nicholas Bray | Belgrade (AA) | 12 | Skyview/Bozeman/Belgrade Tri |
| 44-04.5 | Leighton Cyr | Frenchtown (A) | 12 | Western A Divisional |
| 44-04.25 | Adam Guajardo | Missoula Big Sky (AA) | 11 | Western AA Divisional |
| 44-01 | Cooper Pelc | Glacier (AA) | 10 | Kalispell Time Trials |
| 44-01 | Ethan Stack | Loyola Sacred Heart (B) | 12 | Gallatin Valley Invite |
| 43-05 | Josiah Coelho | Billings Senior (AA) | 11 | Dan Hansen Invitational (WY) |
| 43-04.25 | Walker Olson | Billings West (AA) | 10 | Eastern AA Divisional |
| 43-04 | Jack Robinson | Glacier (AA) | 11 | Western AA Divisional |
| 43-03.5 | Connor Durglo | Ronan (A) | | Frenchtown Invite |
| 43-02.5 | Tyler Langbehn | Fergus/Lewistown (A) | 10 | Eastern A Divisional |
| 43-02.5 | Christian Triemstra | Manhattan Christian (C) | 12 | 5B/12C District Meet |
| 43-02.25 | Tevin Keller | Billings Senior (AA) | 12 | Eastern AA Divisional |
| 43-02 | Jaxan Lieberg | Helena (AA) | 12 | Great Falls/Helena Dual |
| 43-01.5 | Brady Olson | Three Forks (B) | 11 | Al Walker Memorial Meet |
| 43-01.25 | Trey Peterson | Helena (AA) | 11 | Western AA Divisional |
| 43-00.25 | Henry Kukowski | Plentywood (C) | 11 | Eastern C Divisional |
| 43-00 | Joshua Eckhart | Hardin (A) | 12 | Eastern A Divisional |
| 42-11 | Easton Brooks | Columbia Falls (A) | 11 | Nelson-Thomas ABC Meet |
| 42-11 | Gabriel Glassing | Laurel (A) | 10 | Billings Invite |
| 42-10.75 | Jayvyn Gallup | Billings Skyview (AA) | 12 | Eastern AA Divisional |
| 42-10 | Jack Clevenger | Loyola Sacred Heart (B) | 12 | Gallatin Valley Invite |
| 42-09 | Ricky Williams | Noxon (C) | 12 | Western B/C Divisional |
| 42-08.5 | Conor Toivonen | Helena Capital (AA) | 12 | Helena Crosstown Meet |
| 42-08.5 | Blake Carver | Great Falls (AA) | 12 | Great Falls Crosstown Meet |
| 42-07 | Stanley Stremick | Columbia Falls (A) | 12 | MCPS Invitational |
| 42-03 | Mason Titeca | Sweet Grass Co./Big Timber (B) | 11 | Al Walker Memorial Meet |
| 42-02.75 | Jaxsyn Baker Spivey | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 42-02.25 | Paxton McConnell | Belgrade (AA) | 11 | Gallatin Valley Invite |
| 42-01.5 | Rhys Larson | Sidney (A) | 11 | Billings Invite |
| 41-11.75 | Parker Bucy | East Helena (A) | 12 | Eastern A Divisional |
| 41-11.25 | Chaz Walsh | Fergus/Lewistown (A) | 9 | John Polich Invitational |
| 41-10.5 | Cooper Michaud | Frenchtown (A) | 10 | John Tomich Invitational |
| 41-09.5 | Chase Chaffin | Glacier (AA) | 11 | Harry 'Swede' Dahlberg Invitational |
| 41-09 | Reese Tucker | Corvallis (A) | | Frenchtown Invite |
| 41-08 | Ryland St. John | Chester-Joplin-Inverness (C) | 11 | Havre High Lion's Invite |
| 41-7.75 | Carson Nissen | Chinook (B) | 12 | Northern B Divisional |
| 41-07.25 | Jim Tew | Broadwater/Townsend (B) | 10 | 5B/12C District Meet |
| 41-07 | Calvin Bucklin | Missoula Sentinel (AA) | 11 | Glacier/Sentinel Dual |
| 41-07 | Trek Egan | Billings Senior (AA) | 12 | Lockwood SCAD#2 |
| 41-06.5 | Brodie Carper | Fairfield (B) | 10 | Mustang Invite |
| 41-06 | Karson Thomas | Choteau (B) | 12 | Northern B Divisional |
| 41-05 | Tucker Huckaba | Whitehall (B) | 11 | John Cheek Top 8 Track Meet |
| 41-05 | Kaniel Ricker | Poplar (B) | 12 | Northern B Divisional |
| 41-04 | Peyton Hauk | Cascade (C) | 11 | 10C District Meet |
| 41-04 | Shea Fredette | Alberton (C) | 11 | KLH Memorial Track Meet |
| 41-03 | Gus Kosel | Roberts (C) | 10 | Al Walker Memorial Meet |
| 41-02.75 | Jack Lucke | Bigfork (A) | 11 | Western A Divisional |
| 41-2.75 | Randy Olson | Winnett-Grass Range (C) | 9 | Northern C Divisional |
| 41-02.5 | Cash Smith | Belt (C) | 11 | Northern C Divisional |
| 41-02.5 | Owen Oliver | Loyola Sacred Heart (B) | 10 | Whitefish ARM Invitational |
| 41-02 | Eli Imperato | Glacier (AA) | 10 | Kalispell Time Trials |
| 41-02 | Ryder Anderson | Anaconda (B) | 9 | Western B/C Divisional |
| 41-01 | Tallin McCartney | Great Falls CMR (AA) | 12 | Swede Dahlberg Invitational |
| 41-00 | Case Procacci | Missoula Hellgate (AA) | 10 | Hellgate/Sentinel/Flathead Tri |
| 41-00 | Trae Headlee | Billings Skyview (AA) | 12 | Eastern AA Divisional |