| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | KNAPP, Gavin | SR | Affton High School | 4:51.80 | Verified |
| 2 | MINNER, Jacob | SR | Affton High School | 4:52.06 | Verified |
| 3 | PATEL, Milan | SR | Clayton High School | 4:59.68 | Verified |
| 4 | MYSOREKAR, Anand | SR | Clayton High School | 5:05.15 | Verified |
| 5 | MARINO, David | JR | Maplewood-Richmond Hts. High Sch | 5:10.15 | Verified |
| 6 | SCARGALL, Mason | 9 | Maplewood-Richmond Hts. High Sch | 5:11.28 | Verified |
| 7 | GUSS, Aaron | SR | Hancock High School | 5:17.76 | Verified |
| 8 | DONAHUE, Sean | JR | Valley Park High School | 5:28.88 | Verified |
| 9 | SEARS, Mason | JR | Valley Park High School | 5:58.27 | Verified |
| 10 | BRADLEY, Joseph | JR | Hancock High School | 7:20.18 | Verified |
| 11 | WIETHOP, Sam | JR | Bayless High School | NT | Unverified: |
| 12 | MAUNG, Moe Swan Pyae | SO | Bayless High School | NT | Unverified: |
