| Mark | Athlete | School | Year | Meet |
|---|
| 4:21.63 | Levi Taylor | Laurel (A) | 11 | John Polich Invitational |
| 4:28.25 | Noah Majerus | Fergus/Lewistown (A) | 12 | State A |
| 4:33.30 | Brock Rugg | Frenchtown (A) | 12 | Nelson-Thomas ABC Meet |
| 4:33.79 | Trajan Hill | Hardin (A) | 11 | Eastern A Divisional |
| 4:34.14 | Anders Watt | Corvallis (A) | 12 | State A |
| 4:34.18 | Grant Martin | Corvallis (A) | 12 | State A |
| 4:34.96 | Sam Fulbright | Fergus/Lewistown (A) | 10 | Eastern A Divisional |
| 4:35.54 | Ase Ackerman | Dawson Co./Glendive (A) | 12 | Eastern A Divisional |
| 4:35.55 | Quin Stewart | Polson (A) | 11 | Nelson-Thomas ABC Meet |
| 4:35.57 | Gabe Knudsen | Columbia Falls (A) | 12 | State A |
| 4:36.05 | Dane McCalla | Billings Central (A) | 10 | Midland Roundtable Top 10 |
| 4:36.85 | Tyler Schmautz | Frenchtown (A) | 10 | Western Top 10 Meet |
| 4:39.44 | James Normandeau | Ronan (A) | 10 | Whitefish ARM Invitational |
| 4:40.91 | Justin Burd | Browning (A) | 10 | State A |
| 4:41.64 | Landon Shipley | Polson (A) | 12 | State A |
| 4:41.69 | Zach Austin | Custer Co./Miles City (A) | 11 | Eastern A Divisional |