| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 3 | Dexter High School | A | CHAPPELL | LEE | PATEL | Simmons | NT | Unverified: |
| 4 | Kennett High School | A | Snider | Ramirez | Pittman | Brooks | NT | Unverified: |
| 5 | Northwest (Cedar Hill) High Scho | B | Grellner | Herrington | Smith | Gant | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Saxony Lutheran High School | A | Pfeiffer | Meyr | Meyer | Chambless | NT | Unverified: |
| 2 | Fox High School | B | NT | Unverified: | ||||
| 3 | Fox High School | A | NT | Unverified: | ||||
| 4 | Sikeston High School | A | Jackson | ROBINSON | Reynolds | Hamilton | NT | Unverified: |
| 5 | Charleston High School | A | Turner | Chappell | Triplett | Ross | NT | Unverified: |
| 6 | Northwest (Cedar Hill) High Scho | A | Brandt | Sullivan | Riley | Poskin | NT | Unverified: |
| 7 | Ste. Genevieve High School | A | Flye | Trollinger | Mcbride | Simmons | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Central (Cape Girardeau) High Sc | A | Nunley | Jones | GROVES | Eanes | NT | Unverified: |
| 2 | Dexter High School | B | Polley | COCHRAN | CUEVAS | GRAMS | NT | Unverified: |
| 3 | Festus High School | B | Bradshaw | Branch | Johnson | Johnson | NT | Unverified: |
| 4 | Jackson High School | A | Wehrenberg | Settle | Gross | Alspaugh | 1:47.00 | Unverified: |
| 5 | Festus High School | A | Bayless | Boyer | Geiler | Evans | 1:47.53 | Unverified: |
| 6 | Notre Dame (Cape Girardeau) High | A | 1:53.00 | Unverified: | ||||
| 7 | Central (Cape Girardeau) High Sc | B | Twiggs | Shelton | Fullenwider | Armstrong | NT | Unverified: |
| 8 | Caruthersville High School | A | Hamilton | Spates | Alexander | Ibarra | NT | Unverified: |
