| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Sumner High School | A | Lacy | Blair | Stevenson | Abdi | NT | Unverified: |
| 3 | Hazelwood West High School | A | NT | Unverified: | ||||
| 4 | Hazelwood West High School | B | NT | Unverified: | ||||
| 5 | Normandy High School | A | Allen | Lawson | Moore | Porter | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Hazelwood East High School | A | Dorsey | Hill | Williams | Johnson | 1:41.78 | Verified |
| 2 | Riverview Gardens High School | A | Abel | Carlock | Crymes | Hodges | 1:36.00 | Unverified: |
| 3 | Hazelwood Central High School | B | Sommerville | Martin | Thornton | Anthony | 1:34.97 | Verified |
| 4 | Hazelwood Central High School | A | Williams | Johnson | Banks | Harris | 1:34.97 | Verified |
| 5 | Hazelwood East High School | B | Kirby | Sledge | Watson | Cain-Shockley | 1:41.78 | Verified |
| 6 | STEAM Academy at McCluer South-B | A | Coleman | Gregory | Moreland-Bell | Grimes | NT | Unverified: |
