| Mark | Athlete | School | Year | Meet |
|---|
| 9:30.85 | Grey Piseno | Billings Central (A) | 10 | Eastern A Divisional |
| 9:32.30 | Finn Schretenthaler | Park/Livingston (A) | 10 | State A Championship |
| 9:32.49 | Ben Bird | Hardin (A) | 9 | State A Championship |
| 9:38.57 | Caleb Tomac | Havre (A) | 12 | Havre Lions' Invitational |
| 9:43.12 | Jack Davidson | Corvallis (A) | 11 | MCPS Invitational |
| 9:43.89 | Taylor Doleac | Hamilton (A) | 10 | MCPS Invitational |
| 10:05.06 | Mekhi Ladson | Lockwood (A) | 10 | Bill Kelly Twilight Invitational |
| 10:06.80 | Aydin Jackson | Dawson Co./Glendive (A) | 12 | Bill Kelly Twilight Invitational |
| 10:07.90 | Taggart Jessop | Corvallis (A) | 10 | MCPS Invitational |
| 10:08.18 | Carter Heggem | Sidney (A) | 10 | Sidney Invitational |
| 10:09.32 | Jeremy Davidson | Corvallis (A) | 9 | Nelson-Thomas ABC Meet |
| 10:10.60 | Jackson Bontadelli | Polson (A) | 10 | State A Championship |
| 10:11.13 | River Racine | Browning (A) | 10 | Western A Divisional |
| 10:13.63 | Jacob Piapot | Ronan (A) | 11 | Western A Divisional |