| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 4 | Saxony Lutheran High School | A | Lewis | Preusser | Kiehne | Windeknecht | NT | Unverified: |
| 5 | Charleston High School | B | Kimble | Evans | Betts | Moore | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Sikeston High School | A | BONE | Moore | LAFFOON | STEWARD | NT | Unverified: |
| 2 | Dexter High School | A | Traw | HOLCOMB | Glaus | CHURCHILL | NT | Unverified: |
| 3 | Charleston High School | A | Hudson | Jones | Williams | Williams | NT | Unverified: |
| 4 | Notre Dame (Cape Girardeau) High | A | 2:08.00 | Unverified: | ||||
| 5 | Central (Cape Girardeau) High Sc | A | Watkins | Dockery | Jackson | Mackins | NT | Unverified: |
| 6 | Delta High School | A | Berry | Berry | Blattel | Holweg | NT | Unverified: |
| 7 | Ste. Genevieve High School | A | Plunk | Deck | Warren | Klump | NT | Unverified: |
| 8 | Central (Cape Girardeau) High Sc | B | Farrar | Koehler | Ritter | Beasley | NT | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Rockwood Summit High School | B | McCrady | SCHROLL | Mehrhoff | Larson | 2:00.00 | Unverified: |
| 2 | DeSoto High School | A | 1:56.00 | Unverified: | ||||
| 3 | Kelly High School | A | Yount | Ray | Stuckey | Dannenmueller | DQ | Unverified: |
| 4 | Rockwood Summit High School | A | Shade | Mcginnis | Turner | Barafundi | 1:46.00 | Unverified: |
| 5 | Kennett High School | A | Farmer | Payne | New | Harrell | 1:49.50 | Unverified: |
| 6 | Festus High School | A | 1:54.53 | Unverified: | ||||
| 7 | Scott City High School | A | 1:58.00 | Unverified: | ||||
| 8 | Jackson High School | A | McBride | GROSS | Pope | Golinski | 2:02.00 | Unverified: |
