| Mark | Athlete | School | Year | Meet |
|---|
| 21.70 | Dalton Daum | Butte (AA) | 11 | State AA |
| 21.99 | Wyatt David | Bozeman (AA) | 12 | Eastern AA Divisional |
| 22.05 | Sterling Reneau | Missoula Sentinel (AA) | 12 | State AA |
| 22.16 | Gharret Olson | Frenchtown (A) | 11 | State A |
| 22.20 | Colin Dolese | Missoula Hellgate (AA) | 12 | Hellgate Triangular |
| 22.20 | Jacob Kleinhans | Bozeman (AA) | 11 | Bozeman-Butte Dual |
| 22.22 | Evan Epperly | Glacier (AA) | 12 | State AA |
| 22.29 | Mason Carle | Billings Skyview (AA) | 11 | Skyview Meet |
| 22.35 | Taylor Sylvester | Corvallis (A) | 11 | State A |
| 22.35 | Kris Noble | Powder River Co./Broadus (C) | 11 | Colstrip Twilight Meet |
| 22.36 | Connor Murnion | Garfield Co./Jordan (C) | 11 | Southern C Divisional |
| 22.39 | Logan Laird | Billings West (AA) | 12 | Eastern AA Divisional |
| 22.39 | Kyle Nickol | Helena Capital (AA) | 12 | Helena Crosstown Meet |
| 22.41 | Drake Schafer | Billings Skyview (AA) | 12 | Eastern AA Divisional |
| 22.42 | Brock Butcher | Fergus/Lewistown (A) | 11 | State A |
| 22.43 | Ryan Grandchamp | Glasgow (B) | 12 | State B |
| 22.48 | Kyle Cochran | Helena (AA) | 12 | CMR-Helena Dual |
| 22.48 | Anthony Taylor | Helena Capital (AA) | 11 | Helena Crosstown Meet |
| 22.56 | Silas Hasselbrook | Loyola Sacred Heart (B) | 12 | Western B Divisional |
| 22.57 | Alex Mustard | Missoula Big Sky (AA) | 12 | Capital Triangular |
| 22.57 | Sean Opland | Troy (B) | 10 | State B |
| 22.66 | Chris Lords | Stevensville (A) | 12 | State A |
| 22.69 | Dylan Vaught | Thompson Falls (B) | 11 | Big Sky Meet |
| 22.70 | Kelly Murnion | Garfield Co./Jordan (C) | 10 | State C |
| 22.71 | Josh Barrows | Helena (AA) | 11 | CMR-Helena Dual |
| 22.71 | Tyler Delaney | Charlo (C) | 12 | Western C Divisional |
| 22.81 | David Keena | Manhattan Christian (C) | 11 | Western C Divisional |
| 22.82 | McKenzie Holt | Thompson Falls (B) | 9 | State B |
| 22.83 | Kyle Harrington | Butte Central (A) | 12 | State A |
| 22.84 | Austin Batson | Fairfield (B) | 12 | State B |
| 22.84 | Parker McCafferty | Belt (C) | 11 | State C |
| 22.88 | Jed Nagler | Whitefish (A) | 10 | State A |
| 22.89 | Jadin Casey | Stevensville (A) | 11 | State A |
| 22.92 | Alex Thomas | Great Falls CMR (AA) | 12 | Great Falls Crosstown Meet |
| 22.92 | Brady Heffner | Missoula Big Sky (AA) | 12 | Big Sky Meet |
| 22.93 | Eliot Schulte | Broadwater/Townsend (B) | 12 | Small Schools Invitational |
| 22.94 | Thor Olson | Great Falls (AA) | 11 | Eastern AA Divisional |
| 22.95 | Caleb Benson | Sidney (A) | 12 | Sidney Invitational |
| 22.98 | Wylie Demin | Park/Livingston (A) | 10 | Skyview Meet |
| 22.99 | Pat McCarthy | Whitehall (B) | 11 | State B |
| 23.01 | Sam Kirkeide | Missoula Big Sky (AA) | 11 | Big Sky Meet |
| 23.02 | Bryce Cuchine | Great Falls CMR (AA) | 11 | Eastern AA Divisional |
| 23.03 | McQ Burley | Powder River Co./Broadus (C) | 12 | Southern C Divisional |
| 23.06 | Anthony Byrns | Hot Springs (C) | 11 | State C |
| 23.08 | Seth Bayles | Powder River Co./Broadus (C) | 10 | Southern C Divisional |
| 23.10 | Mick Paffhausen | Beaverhead Co./Dillon (A) | 12 | Darby-Florence Invitational |
| 23.10 | Michael Gulledge | Billings Central (A) | 11 | State A |
| 23.12 | Zach Iffland | Shepherd (B) | 11 | Southern B Divisional |
| 23.14 | Sean Foley | Whitefish (A) | 12 | State A |
| 23.15 | Connor Matthews | Helena (AA) | 10 | Small Schools Invitational |
| 23.15 | Brendan Atchison | Billings Skyview (AA) | 10 | Whitefish A.R.M. Invitational |
| 23.18 | Cameron Nissen | Bigfork (B) | 12 | State B |