| Mark | Athlete | School | Year | Meet |
|---|
| 9:08.32 | Owen Thiel | Sea Level Times (SEALEVEL) | 11 | Arcadia Invitational (CA) |
| 9:18.37 | Miles Halvorsen | Sea Level Times (SEALEVEL) | 11 | Nike/Jesuit Twilight Relays (OR) |
| 9:27.42 | Grey Piseno | Billings Central (A) | 11 | Eastern A Divisional |
| 9:28.62 | Elliot Stimpson | Helena (AA) | 12 | Sentinel/Helena/Belgrade Tri |
| 9:29.24 | Milo Kauffman | Helena (AA) | 10 | Helena Crosstown Meet |
| 9:32.01 | Kyler Harris | Florence-Carlton (B) | 12 | Russ Plicher Western Top 10 |
| 9:32.85 | Taylor Neil | Bozeman (AA) | 10 | Billings Invite |
| 9:33.06 | Miles Halvorsen | Bozeman (AA) | 11 | Midland Roundtable Top 10 |
| 9:34.14 | Cass Violett | Three Forks (B) | 12 | Midland Roundtable Top 10 |
| 9:36.59 | Ben Bird | Hardin (A) | 10 | Eastern A Divisional |
| 9:36.59 | Conrad Schruth | Great Falls (AA) | 12 | Great Falls Crosstown Meet |
| 9:40.36 | Kye McAbee | Billings West (AA) | 11 | Eastern AA Divisional |
| 9:44.14 | CJ Pijanowski | Florence-Carlton (B) | 12 | State B/C Championship |
| 9:44.94 | Jack Davidson | Corvallis (A) | 12 | Nelson-Thomas ABC Meet |
| 9:47.74 | Emerson Hamma | Great Falls CMR (AA) | 11 | Great Falls Crosstown Meet |
| 9:47.96 | Miles Joseph Miller | Missoula Hellgate (AA) | 10 | Russ Plicher Western Top 10 |
| 9:48.35 | Simon Douglas | Whitefish (A) | 12 | Bigfork/Columbia Falls/Whitefish Tri |
| 9:49.25 | Gabe Ackerly | Glacier (AA) | 10 | Glacier/Sentinel Dual |
| 9:50.66 | Branlin Foote | Bozeman (AA) | 10 | Billings Invite |
| 9:50.76 | Ethan Walker | Harlem (B) | 9 | State B/C Championship |
| 9:50.81 | John Jermyn | Plains (B) | 9 | State B/C Championship |
| 9:51.89 | Drake Fricke | Bozeman (AA) | 12 | Billings Invite |
| 9:52.38 | Harlon Leishman | St. Ignatius (B) | 12 | State B/C Championship |
| 9:52.52 | Eamon Fitzgerald | Missoula Hellgate (AA) | 12 | Russ Plicher Western Top 10 |
| 9:52.54 | Garrett Hinderman | Helena (AA) | 11 | Russ Plicher Western Top 10 |
| 9:53.61 | Jude Sparkman | Glacier (AA) | 11 | Glacier/Sentinel Dual |
| 9:53.70 | Kasen Kastner | Flathead (AA) | 12 | Great Falls/Flathead Dual |
| 9:54.90 | Xavier Bell | Savage (C) | | Sidney Invitational |
| 9:55.12 | Nolan Flynn | Broadwater/Townsend (B) | 12 | State B/C Championship |
| 9:55.34 | Owen Thiel | Glacier (AA) | 11 | Glacier/Sentinel Dual |
| 9:55.43 | Miles Otis-Miller | Missoula Hellgate (AA) | 10 | MCPS Invitational |
| 9:56.08 | Camden Houchin | Butte (AA) | 11 | Last Chance Qualifier |
| 9:56.48 | Noah Miller | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 9:56.84 | Julius Yeager | Billings West (AA) | 11 | Billings SCAD #2 |
| 9:57.39 | Dylan Hill | Helena (AA) | 11 | Helena Crosstown Meet |
| 9:58.14 | Dawson Parke | Drummond (C) | 10 | Russ Plicher Western Top 10 |
| 9:58.80 | David DiGiallonardo | Polson (A) | 11 | Western A Divisional |
| 9:58.86 | Jacob Posdon | Bozeman (AA) | 10 | Midland Roundtable Top 10 |
| 9:58.98 | Ben Martin | Darby (B) | 10 | Russ Plicher Western Top 10 |
| 10:00.18 | River Racine | Browning (A) | 11 | Archie Roe Invitational |
| 10:00.75 | Carson Thorne | Flathead (AA) | 9 | Hellgate/Sentinel/Flathead Tri |
| 10:01.32 | Zaiden Reeves | Great Falls (AA) | 11 | Great Falls Crosstown Meet |
| 10:02.21 | Eli Highness | Helena (AA) | 12 | MCPS Invitational |
| 10:03.15 | Ryland Crane | Great Falls (AA) | 10 | Skor Dekam Invite |
| 10:05.61 | Taggart Jessop | Corvallis (A) | 11 | Western A Divisional |
| 10:06.11 | Taylor Doleac | Hamilton (A) | 11 | Nelson-Thomas ABC Meet |
| 10:06.48 | Luke Halverson | Manhattan (B) | 12 | State B/C Championship |
| 10:06.78 | Wiley Rides Horse | Hardin (A) | 9 | Eastern A Divisional |
| 10:06.94 | Carter Koerner | Corvallis (A) | 11 | Western A Divisional |
| 10:07.03 | Lucas Keith | Billings West (AA) | 11 | Eastern AA Divisional |
| 10:07.40 | Cody Watson | Libby (A) | 10 | Western A Divisional |
| 10:07.97 | Wyatt Yeager | Choteau (B) | 12 | Choteau Twilight Meet |
| 10:09.00 | Owen Smith | Billings West (AA) | 12 | Midland Roundtable Top 10 |
| 10:09.80 | Marek Frick | Belgrade (AA) | 9 | Eastern AA Divisional |
| 10:10.44 | Carter Heggem | Sidney (A) | 11 | Sidney Twilight Meet |
| 10:10.68 | Jackson Bontadelli | Polson (A) | 10 | Western A Divisional |
| 10:10.83 | Isaiah Cowan | Missoula Big Sky (AA) | 12 | Big Sky Quad |
| 10:11.48 | Auston Schellig | Joliet (B) | 11 | Al Walker Memorial Meet |
| 10:11.78 | Christopher Holland | Flathead (AA) | 10 | Western AA Divisional |
| 10:12.13 | Marrek Jessop | Corvallis (A) | 11 | Western A Divisional |
| 10:12.57 | Cord Greer | Plains (B) | 9 | State B/C Championship |
| 10:13.13 | Mason Gregoire | Havre (A) | 11 | Eastern A Divisional |
| 10:13.42 | Keaton Sample | Colstrip (B) | 11 | Al Walker Memorial Meet |
| 10:13.51 | Jeremy Davidson | Corvallis (A) | 10 | Nelson-Thomas ABC Meet |
| 10:13.81 | Sebastian Schroeder | Florence-Carlton (B) | 10 | State B/C Championship |
| 10:14.31 | Teddy Simser | Manhattan (B) | 11 | State B/C Championship |
| 10:14.76 | Brodyn DeShaw | Flathead (AA) | 10 | Hellgate/Sentinel/Flathead Tri |
| 10:18.79 | Prestyn Klatt | Lustre Christian (C) | 10 | Eastern C Divisional |
| 10:20.29 | Peyton Johnson | Cascade (C) | 10 | Mustang Invite |
| 10:21.02 | Trent Lane | Cascade (C) | 10 | Mustang Invite |
| 10:26.91 | Donovan Posey | Dodson (C) | | Eastern C Divisional |