| HOME | 400 meter Relay | 53.0 |
| Time | School | Class |
| 48.88 | Bozeman | AA |
| 49.16 | Kalispell | AA |
| 49.55 | West | AA |
| 49.58 | Livingston | A |
| 49.70 | Hellgate | AA |
| 50.05 | Whitefish | A |
| 50.13 | Huntley-Project | B |
| 50.22 | Corvallis | A |
| 50.27 | Butte | AA |
| 50.28 | CMR | AA |
| 50.51 | Belgrade | A |
| 50.80 | Three Forks | B |
| 50.84 | Sidney | A |
| 50.88 | Senior | AA |
| 50.92 | Ronan-St. Ignatius | A |
| 51.02 | Dillon | A |
| 51.10 | Skyview | AA |
| 51.17 | Havre | A |
| 51.22 | Hamilton | A |
| 51.22 | Glendive | A |
| 51.27 | Miles City | A |
| 51.29 | Bigfork | A |
| 51.33 | Polson | A |
| 51.37 | Manhattan | B |
| 51.40 | Twin Bridges | C |
| 51.54 | Whitehall | B |
| 51.60 | Lewistown | A |
| 51.60 | Baker | B |
| 51.70 | Big Sky | AA |
| 51.88 | Conrad | B |
| 51.97 | Harlowton | C |
| 52.05 | Anaconda | A |
| 52.08 | Noxon | C |
| 52.09 | GFH | AA |
| 52.24 | Columbia Falls | A |
| 52.30 | Geraldine | C |
| 52.33 | Laurel | A |
| 52.40 | Chester-JI | C |
| 52.42 | Absarokee | C |
| 52.45 | Frenchtown | A |
| 52.50 | Helena | AA |
| 52.54 | Fairfield | B |
| 52.67 | Highwood | C |
| 52.75 | Glasgow | B |
| 52.80 | Billings Central | A |
| 52.80 | Plentywood | B |
| 52.82 | Loyola | B |
| 52.83 | Cascade | B |
| 52.88 | Manhattan Christian | B |
| 52.89 | Darby | B |
| 52.90 | Seeley-Swan | B |
| 53.82 | Florence | B |