| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 3 | Rockwood Summit High School | A | 1:48.41 | Verified | ||||
| 4 | Parkway Central High School | A | Parsons | Elbert | Okpara | Tate | 1:44.00 | Unverified: |
| 5 | Ladue Horton Watkins High School | A | 1:47.62 | Verified |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 3 | Rockwood Summit High School | A | 1:48.41 | Verified | ||||
| 4 | Parkway Central High School | A | Parsons | Elbert | Okpara | Tate | 1:44.00 | Unverified: |
| 5 | Ladue Horton Watkins High School | A | 1:47.62 | Verified |
