| Mark | Athlete | School | Year | Meet |
|---|
| 22-10.25 | Carter White | Frenchtown (A) | 12 | Russ Plicher Top 10 |
| 22-06.5 | Colter Petre | Helena (AA) | 12 | Helena Crosstown Meet |
| 22-02.5 | Kohbe Smith | Dawson Co./Glendive (A) | 11 | Dawson Co Triangular |
| 22-02 | Brody Thornsberry | Flathead (AA) | 11 | Flathead-Glacier Dual |
| 22-02 | Oak Sullivan | Bozeman (AA) | 11 | Eastern AA Divisional |
| 22-00 | Scott Klinker | Great Falls (AA) | 11 | The Falls Tuesday Trials |
| 21-11.5 | Caiden Sekuterski | Cascade (C) | 11 | Northern C Divisional |
| 21-10 | Brenden Fetter | Chinook (B) | 12 | State C Championship |
| 21-08.75 | Drifter Skillicorn | Polson (A) | 12 | State A Championship |
| 21-07 | Ryan Nansel | Gallatin (Bozeman) (AA) | 11 | State AA Championship |
| 21-06.5 | Clay Oven | Billings Central (A) | 12 | Billings West Small Schools Meet |
| 21-06.5 | Rafe Spring | Gallatin (Bozeman) (AA) | 11 | West-Gallatin Dual |
| 21-06.25 | Kyle Holter | Butte Central (A) | 12 | Butte Area Meet |
| 21-05.75 | Jasiah Hambira | Lustre Christian (C) | 12 | Wibaux Invitational |
| 21-05.25 | Xavier Stout | Glacier (AA) | 12 | Russ Plicher Top 10 |
| 21-05 | Trystin Chapel | Billings Senior (AA) | 11 | Billings Public City Meet |
| 21-05 | Quinn Clark | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisional |
| 21-05 | Jeremiah Saari | Helena Capital (AA) | 11 | State AA Championship |
| 21-04.25 | William Sanguins | Broadview-Lavina (C) | 12 | Southern C Divisional |
| 21-04 | Brighton McCaffrey | Billings Senior (AA) | | Eastern AA Divisional |
| 21-03.75 | Bryce Grebe | Melstone (C) | 12 | State C Championship |
| 21-02.25 | Bryce Umphrey | Bozeman (AA) | 12 | State AA Championship |
| 21-02 | Oliver Simianer | Missoula Big Sky (AA) | 11 | Greg Rice City Meet |
| 21-01.5 | Jeff Lillard | Glacier (AA) | 12 | Kalispell Time Trials |
| 21-01 | Jace Duval | Columbia Falls (A) | 12 | Whitefish ARM Invitational |
| 21-00.5 | Grady Walker | Missoula Sentinel (AA) | 11 | MCPS Invite |
| 21-00.5 | Bridger Vogl | Belt (C) | 12 | Cascade Top-8 |
| 21-00.5 | William Hollensteiner | Flathead (AA) | 9 | Western AA Divisional |
| 21-00 | Rowley Dupras | Missoula Big Sky (AA) | 12 | Greg Rice City Meet |
| 20-11.25 | Bo Demarais | Butte (AA) | 11 | Butte Area Meet |
| 20-11 | Malik Lyttle | Loyola Sacred Heart (B) | 11 | 6B Districts |
| 20-11 | Zane Pilgeram | Savage (C) | 10 | Eastern C Divisional |
| 20-10.5 | Dayrion Beard | Laurel (A) | 12 | State A Championship |
| 20-09.5 | Trevor Held | East Helena (A) | 12 | Western A Divisional |
| 20-09.25 | Caleb Brannan | Glacier (AA) | 11 | Archie Roe Invitational |
| 20-09 | Carter Casavant | Cascade (C) | 12 | Northern C Divisional |
| 20-09 | Nash Coley | Gallatin (Bozeman) (AA) | 11 | Bozeman Crosstown Dual |
| 20-09 | Joseph Fernandez | Great Falls CMR (AA) | 12 | The Falls Tuesday Trials |
| 20-08.75 | Xander Pugh | Nashua (C) | 12 | Gene Nelson Memorial |
| 20-08.75 | Johnslee Pierre | Lustre Christian (C) | 9 | Glendive Elks Invitational |
| 20-08.5 | Lex Steckelberg | Gallatin (Bozeman) (AA) | 11 | Gallatin-Great Falls Dual |
| 20-08.5 | Dawson Sweat | Broadwater/Townsend (B) | 12 | Southern B Divisional |
| 20-08 | Reese Moon | Culbertson (C) | 10 | Eastern C Divisional |
| 20-08 | Kaidrian Buls | Glacier (AA) | 12 | Archie Roe Invitational |
| 20-07.75 | Luke Kelley | Centerville (C) | 10 | Cascade Top-8 |
| 20-07.5 | Braden Mattson | Chester-Joplin-Inverness (C) | 12 | Northern C Divisional |
| 20-07.25 | Carson Krack | Whitefish (A) | 11 | Whitefish ARM Invitational |
| 20-07.25 | Jaxon Dixon | Billings Senior (AA) | 9 | Eastern AA Divisional |
| 20-07 | Levi Peterson | Bigfork (A) | 12 | Western B Divisional |
| 20-06.5 | Trevor Mosness | Sweet Grass Co./Big Timber (B) | 12 | 5B Districts |