| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 3 | Cor Jesu Academy | A | Gunn | Pieper | Mathews | Gremaud | NT | Unverified: |
| 4 | Ladue Horton Watkins High School | A | Jackson | Riddle | Small | Ray | NT | Unverified: |
| 5 | Vashon High School | A | Brooks | Conner | Simpson-Bey | Clayton | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | McCluer North High School | A | Hart | Eubanks | Jefferson | Clayton | NT | Unverified: |
| 2 | Parkway South High School | A | Stroot | Wright | Hilgendorf | Gavornik | NT | Unverified: |
| 3 | Parkway West High School | A | Josef | Phillips | Tullock | Ashok | 2:15.00 | Unverified: |
| 4 | Liberty (Wentzville) High School | A | Johnson | Nelson | Musangali | Glidden | 2:12.00 | Unverified: |
| 5 | Riverview Gardens High School | A | Lewis | Coleman | Davis | Robinson | 2:13.00 | Unverified: |
| 6 | Ft. Zumwalt North High School | A | Bredenkamp | Taylor | Williams | Martens | 4:58.63 | Verified |
| 7 | Parkway Central High School | A | Bell | Thedford | Mosley | Madison | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Kirkwood High School | A | Taylor | Barry | Pride | Howell | 2:10.00 | Unverified: |
| 2 | Eureka High School | A | Bailey | FRAZIER | BRICKMAN | Wylie | 2:07.00 | Unverified: |
| 3 | Hazelwood Central High School | A | Davis | Mayes | Johnson | White | 2:02.24 | Unverified: |
| 4 | Webster Groves High School | A | Washington | Robinson | Fischer | Williams | DQ | Unverified: |
| 5 | Lindbergh High School | A | Ritter | Zoeller | Cruzen | Smith | 2:00.00 | Unverified: |
| 6 | Northwest (Cedar Hill) High Scho | A | Johnson | Fuchs | Haas | Wells | 2:05.00 | Unverified: |
| 7 | Lafayette (Wildwood) High School | A | Mohlman | Miller | Kilmer | Long | 2:09.00 | Unverified: |
| 8 | Seckman High School | A | Mueller | Cline | Cardinale | Hunt | 2:10.00 | Unverified: |