| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 3 | Clayton High School | B | Nelson | Irving | Roland Ladson | Huyette | DNS | Unverified: |
| 4 | Clayton High School | A | Anderson-Jennings | Chatman | Handzic-Smith | Aningo | DNS | Verified |
| 5 | Affton High School | A | Fuller | Davis | Allen | Moehlenbrock | DNS | Verified |