Boys / Men · 400 Meters · Varsity
| Pl | Athlete / entry | Gr | School / team | Mark |
|---|
| 1 | David GummersallPlace 1 · Spike Up Athletics | — | Spike Up Athletics | 48.18a |
| 2 | Bode JensenPlace 2 · Farmington | — | Farmington | 49.43a |
| 3 | Kaedyn BurroughsPlace 3 · Wilson (Long Beach) | — | Wilson (Long Beach) | 49.58a |
| 4 | Brogan GarrettPlace 4 · Garrett, Bro,Mounta | — | Garrett, Bro,Mounta | 49.66a |
| 5 | Nikolas LarsenPlace 5 · Larsen, Nik,Pleasan | — | Larsen, Nik,Pleasan | 49.81a |
| 6 | Bradley EkestromPlace 6 · Thunder Basin | — | Thunder Basin | 50.00a |
| 7 | Nash ColeyPlace 7 · Bozeman | — | Bozeman | 50.44a |
| 8 | Noah NevesPlace 8 · Neves, Noah,Winnipe | — | Neves, Noah,Winnipe | 50.66a |
| 9 | Jackson TarverPlace 9 · Tarver, Jack,Great | — | Tarver, Jack,Great | 50.80a |
| 10 | Andrew Flynn ArnoldPlace 10 · Arnold, Andr,Larami | — | Arnold, Andr,Larami | 51.71a |
| 11 | Jacob MonroePlace 11 · Elite of Southern Calif | — | Elite of Southern Calif | 51.74a |
| 12 | Ben SavagePlace 12 · Pocatello | — | Pocatello | 51.79a |
| 13 | Josiah GonzalezPlace 13 · Drive Athletics-Utah | — | Drive Athletics-Utah | 51.87a |
| 14 | Jordan JensenPlace 14 · Jensen, Jord,West | — | Jensen, Jord,West | 51.91a |
| 15 | Ryan ChristyPlace 15 · Clayton Valley | — | Clayton Valley | 52.83a |
| 16 | Chase HollerPlace 16 · Douglas | — | Douglas | 53.40a |
| 17 | Wilondja LufungulaPlace 17 · Leduc Track Club | — | Leduc Track Club | 53.74a |
