| Mark | Athlete | School | Year | Meet |
|---|
| 21.68 | Jaden Foster | Missoula Sentinel (AA) | 11 | State AA |
| 21.72 | Chance Sheldon-Allen | Flathead (AA) | 11 | State AA |
| 21.80 | Casey Gunlikson | Sweet Grass Co./Big Timber (B) | 12 | State B |
| 21.90 | Cooper Craig | Bozeman (AA) | 11 | State AA |
| 21.94 | Connor Ryan | Billings West (AA) | 11 | Kelly Walsh Invitational (WY) |
| 21.94 | Austin Hernandez | Huntley Project (B) | 12 | State B |
| 22.20 | Dyllyn Stabler | Glacier (AA) | 12 | State AA |
| 22.27 | Kameron Rauser | Broadwater/Townsend (B) | 12 | State B |
| 22.34 | Hunter Mahan | Loyola Sacred Heart (B) | 11 | State B |
| 22.35 | Eyezayah Boroughs | Billings West (AA) | 12 | Kelly Walsh Invitational (WY) |
| 22.39 | Neil Daily | Missoula Sentinel (AA) | 10 | State AA |
| 22.46 | Hunter Bear Cloud | Hardin (A) | 10 | State A |
| 22.46 | Jace Klucewich | Frenchtown (A) | 10 | KLH Memorial Track Meet |
| 22.46 | Jack Waddell | Park/Livingston (A) | 10 | State A |
| 22.47 | Keith Vanderlaan | Custer Co./Miles City (A) | 12 | State A |
| 22.52 | Martin Farver | Scobey (C) | 12 | State C |
| 22.52 | Cutter Thatcher | Butte Central (A) | 11 | State A |
| 22.54 | Malikye Simpson | Billings Senior (AA) | 9 | State AA |
| 22.56 | Bret Morris | Helena Capital (AA) | 10 | State AA |
| 22.57 | Drew Morgan | Columbia Falls (A) | 12 | Western Top 10 Meet |
| 22.59 | Ryder Meyer | Fairfield (B) | 12 | State B |
| 22.61 | Tommy Mellott | Butte (AA) | 11 | Swede Dahlberg Invitational |
| 22.63 | Jay Beagle | Libby (A) | 10 | Nelson-Thomas ABC Meet |
| 22.65 | Hunter Leighty | Troy (B) | 12 | State B |
| 22.66 | Ethan Renner | Laurel (A) | 11 | State A |
| 22.68 | Tyler Rued | Bozeman (AA) | 12 | Eastern AA Divisionals |
| 22.69 | Ben Maehl | Missoula Big Sky (AA) | 11 | Capital/Great Falls/Big Sky Tri |
| 22.72 | Beau Dantic | Laurel (A) | 9 | State A |
| 22.73 | Logan Robinson | Seeley-Swan (C) | 12 | Frenchtown Invitational |
| 22.73 | Trevin Gradney | Billings West (AA) | 12 | Kelly Walsh Invitational (WY) |
| 22.75 | Dylan Cervelli | Beaverhead Co./Dillon (A) | 12 | State A |
| 22.76 | Daniel Henjum | Columbia Falls (A) | 11 | Nelson-Thomas ABC Meet |
| 22.78 | Milo Carpenter | Billings West (AA) | 12 | Kelly Walsh Invitational (WY) |
| 22.80 | Joe Olson | Bozeman (AA) | 12 | Skor DeKam |
| 22.82 | Brody Grebe | Melstone (C) | 12 | State C |
| 22.83 | Brandon Machart | Scobey (C) | 12 | State C |
| 22.86 | Michael Pugh | Malta (B) | 12 | State B |
| 22.88 | Rafe Premo | Great Falls CMR (AA) | 9 | Great Falls City Meet |
| 23.00 | Dylan Taylor | Denton-Geyser-Stanford (C) | 11 | State C |
| 23.01 | Noel Reynolds Jr. | Belgrade (AA) | 11 | CMR Quadrangular |
| 23.03 | Tyler Fitzsimmons | Glasgow (B) | 11 | State B |
| 23.04 | Billy Ullery | Fort Benton (C) | 10 | Northern C Divisional |
| 23.11 | Preston Branstetter | Laurel (A) | 12 | State A |
| 23.12 | Dakota Wood | Seeley-Swan (C) | 11 | State C |
| 23.13 | Payton Ater | Missoula Sentinel (AA) | 10 | Glacier-Sentinel Dual |
| 23.16 | Hunter Shelmerdine | Seeley-Swan (C) | 12 | Western C Divisional |
| 23.17 | Justus Peterson | Beaverhead Co./Dillon (A) | 11 | State A |
| 23.18 | Taco Dowler | Billings West (AA) | 9 | Kelly Walsh Invitational (WY) |
| 23.19 | Evan Major | Belgrade (AA) | 9 | Belgrade Senior Night |
| 23.20 | Josh Macy | Billings Skyview (AA) | 11 | Kelly Walsh Invitational (WY) |
| 23.25 | Benjamin Tuinstra | Valley Christian (C) | 12 | State C |