| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Mehlville High School | A | Jones | Muminovic | Wilder | Nava | 2:12.36 | Unverified: |
| 3 | Webster Groves High School | B | Cannon | Riefle | Williams | Perry | 2:06.00 | Unverified: |
| 4 | Parkway Central High School | A | Mosley | Thedford | Carter | Anderson | 2:03.00 | Unverified: |
| 5 | Lafayette (Wildwood) High School | B | 2:05.00 | Unverified: | ||||
| 6 | Seckman High School | B | Cline | Mueller | Cardinale | Hunt | 2:12.00 | Unverified: |
| 7 | Mehlville High School | B | Raymonde Jean | Cohen-Edwards | Malik | Traore | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Marquette High School | B | Pagan | SONN | Rashman | Terry | 2:02.00 | Unverified: |
| 2 | Rockwood Summit High School | B | 2:00.18 | Unverified: | ||||
| 3 | Lafayette (Wildwood) High School | A | 1:57.00 | Unverified: | ||||
| 4 | Marquette High School | A | CHIARELLI | FLENOID | NICKEL | Russell | 1:56.00 | Unverified: |
| 5 | Seckman High School | A | Crowley | Crinnion | Zilch | Easter | 1:57.00 | Unverified: |
| 6 | Eureka High School | B | 1:57.70 | Unverified: | ||||
| 7 | Webster Groves High School | A | Washington | Robinson | McCoy | Fischer | 2:01.00 | Unverified: |
| 8 | Sullivan High School | A | Dace | Carpenter | Brooks | Evans | 2:02.93 | Verified |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Hazelwood Central High School | B | Sheppard | Griffin | Cannon | Wicks | 1:55.47 | Unverified: Kansas Relays |
| 2 | Hazelwood Central High School | A | Wafford | McCanery | White | Scruggs | 1:53.47 | Unverified: |
| 3 | MICDS | A | Crawford | Channel | Wells | Phillips | 1:51.52 | Verified |
| 4 | Parkway West High School | A | Northcross | Tullock | Thomasson | Jones | DQ | Verified |
| 5 | Parkway West High School | B | McLeod | Josef | Phillips | Clemmons | 1:49.68 | Verified |
| 6 | Oakville High School | A | Benignus | Clark | WALTON | HUGHES | 1:53.11 | Verified |
| 7 | Rockwood Summit High School | A | 1:53.53 | Verified | ||||
| 8 | Eureka High School | A | 1:55.75 | Unverified: |