| Mark | School | Meet |
|---|
| 48.18 | Billings West (AA) | State AA |
| 49.15 | Helena Capital (AA) | State AA |
| 49.16 | Billings Senior (AA) | State AA |
| 49.35 | Missoula Sentinel (AA) | State AA |
| 49.39 | Beaverhead Co./Dillon (A) | State A |
| 49.41 | Great Falls (AA) | State AA |
| 49.59 | Great Falls CMR (AA) | State AA |
| 50.00 | Missoula Big Sky (AA) | Western AA Divisional |
| 50.14 | Glacier (AA) | State AA |
| 50.17 | Belgrade (AA) | State A |
| 50.31 | Choteau (B) | State B |
| 50.37 | Twin Bridges (C) | State C |
| 50.39 | Bigfork (B) | State B |
| 50.43 | Bozeman (AA) | State AA |
| 50.58 | Westby-Grenora (C) | State C |
| 50.61 | Laurel (A) | State A |
| 50.70 | Baker (B) | State B |
| 50.72 | Manhattan Christian (C) | State C |
| 50.85 | Helena (AA) | Western AA Divisional |
| 50.91 | Fort Benton (C) | State C |
| 50.97 | Missoula Hellgate (AA) | Western AA Divisional |
| 50.99 | Corvallis (A) | State A |
| 51.06 | Flathead (AA) | Western AA Divisional |
| 51.16 | Chinook (C) | State C |
| 51.16 | Butte (AA) | Eastern AA Divisional |
| 51.21 | Sidney (A) | State A |
| 51.30 | Havre (A) | Eastern A Divisional |
| 51.46 | Colstrip (B) | State B |
| 51.48 | Three Forks (B) | State B |
| 51.51 | Seeley-Swan (C) | State C |
| 51.57 | Whitefish (A) | State A |
| 51.62 | Manhattan (B) | State B |
| 51.65 | Dawson Co./Glendive (A) | State A |
| 51.65 | Libby (B) | Western B-C Divisional |
| 51.68 | Huntley Project (B) | Midland Roundtable Top Ten |
| 51.69 | Columbus (B) | Stillwater Invitation |
| 51.73 | Glasgow (B) | State B |
| 51.81 | Arlee (C) | State C |
| 51.90 | Hamilton (A) | State A |
| 51.93 | Fergus/Lewistown (A) | State A |
| 52.00 | Lincoln Co./Eureka (B) | State B |
| 52.02 | Billings Skyview (AA) | State AA |
| 52.13 | Charlo (C) | State C |
| 52.16 | Butte Central (A) | Butte Invite |
| 52.31 | Stevensville (A) | State A |
| 52.42 | Polson (A) | State A |
| 52.46 | Billings Central (A) | State A |
| 52.60 | Winnett-Grass Range (C) | State C |
| 52.68 | Simms (C) | State C |
| 52.69 | Fairfield (B) | Belt-Fairfield All-Comers 2 |
| 52.81 | Cut Bank (B) | State B |
| 52.86 | Columbia Falls (A) | State A |