| Mark | Athlete | School | Year | Meet |
|---|
| 21.62 | Jake Messerly | Missoula Sentinel (AA) | 12 | Greg Rice City Meet |
| 21.62 | Dalton Daum | Butte (AA) | 10 | State AA |
| 21.66 | Nolan Saraceni | Billings Senior (AA) | 12 | State AA |
| 21.70 | Alex Mustard | Missoula Big Sky (AA) | 11 | Greg Rice City Meet |
| 22.08 | Colin Dolese | Missoula Hellgate (AA) | 11 | Greg Rice City Meet |
| 22.24 | Jacob Kvilhaug | Billings West (AA) | 12 | Skor-DeKam Invitational |
| 22.29 | Tyler Roush | Billings West (AA) | 11 | Billings West Meet |
| 22.33 | Gunnar Brekke | Helena Capital (AA) | 12 | Helena Quad |
| 22.37 | Wyatt David | Bozeman (AA) | | State AA |
| 22.40 | Dustin Sobrero | Columbus (B) | 12 | Midland Roundtable Top 10 Meet |
| 22.42 | Andy Nordstrom | Red Lodge (B) | 11 | State B |
| 22.48 | Evan Epperly | Glacier (AA) | 11 | State AA |
| 22.56 | Logan Harwood | Whitefish (A) | 12 | State A |
| 22.60 | Parker McCafferty | Belt (C) | 10 | State C |
| 22.65 | Nate Vanderby | Manhattan (B) | 12 | State B |
| 22.66 | Jay Owens | Missoula Big Sky (AA) | 12 | Greg Rice City Meet |
| 22.69 | Alex Thomas | Great Falls CMR (AA) | 11 | Skor-DeKam Invitational |
| 22.80 | Logan Laird | Billings West (AA) | 11 | State AA |
| 22.80 | Brock Butcher | Fergus/Lewistown (A) | 10 | Central A Divisional |
| 22.87 | Mick Paffhausen | Beaverhead Co./Dillon (A) | 11 | Gallatin Valley Invitational |
| 22.90 | Austin Carver | Beaverhead Co./Dillon (A) | 12 | Southwestern A Divisional |
| 22.92 | Connor Murnion | Garfield Co./Jordan (C) | 10 | Southern C Divisional |
| 22.94 | Tory Umsted | Helena (AA) | 12 | Helena Quad |
| 22.96 | Brady Heffner | Florence-Carlton (B) | 11 | State B |
| 22.96 | Scottie Crigler | Billings Senior (AA) | 11 | Kelly Walsh Invitational |
| 22.99 | Colter Porter | Billings West (AA) | 12 | Billings City Meet |
| 23.02 | Jon Nissen | Laurel (A) | 12 | State A |
| 23.04 | Brandon Toney | Park/Livingston (A) | 12 | State A |
| 23.05 | Kenny Hoeffner | Broadwater/Townsend (B) | 11 | State B |
| 23.05 | Kyle Nickol | Helena Capital (AA) | 11 | Great Falls-Capital Dual |
| 23.11 | Anthony Taylor | Helena (AA) | 10 | Helena Crosstown Meet |
| 23.12 | Jacob Stanton | Billings Central (A) | 12 | John Tomich Invitational |
| 23.13 | Silas Hasselbrook | Loyola Sacred Heart (B) | 11 | Western B Divisional |
| 23.13 | Aaron Robinson | Glacier (AA) | 9 | Glacier-Coulmbia Falls Dual |
| 23.14 | Josiah Osborne | Columbia Falls (A) | 11 | Polson ABC Meet |
| 23.16 | Chandler Arbizzanni | Billings Skyview (AA) | 12 | Skor-DeKam Invitational |
| 23.24 | Sean Opland | Troy (B) | 9 | 7B Districts |
| 23.34 | Cameron Nissen | Bigfork (B) | 11 | 7B Districts |
| 23.35 | Ethan Copier | Manhattan (B) | 12 | Southern B Divisional |
| 23.48 | Jesse Pfertsh | Twin Bridges (C) | 12 | 11-12C Districts |
| 23.54 | Cody Vitt | Fairview (C) | 12 | 2C Districts |
| 23.59 | Brandon Ereaux | Fort Benton (C) | 11 | 8C Districts |