| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Nerinx Hall High School | A | Rega | Walsh | Bayer | Scheller | 2:06.00 | Unverified: |
| 3 | Mehlville High School | A | Kareem | Hang | Selimovic | Muminovic | DQ | Unverified: |
| 4 | Webster Groves High School | A | McCoy | Lawless | Knapp | Logan | 2:05.52 | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Lindbergh High School | A | Dooling | Opari | Zoeller | Goodson | 1:57.69 | Verified |
| 3 | Kirkwood High School | A | Burgett | Perkins | Martz | Pride | 1:55.84 | Unverified: |
| 4 | Incarnate Word Academy | A | Moore | Edwards | Griffin | Griffin | 1:57.06 | Unverified: |
| 5 | Ladue Horton Watkins High School | A | 1:59.00 | Unverified: |
