#23 Boys 4 x 400m Relay (Varsity) Start List
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Webster Groves | A | Fisher, Naejuan | Welch, Evan | Washington, Darrian | Starr, Will | 3:54.22 | |
| 3 | Kirkwood | A | Wise, Cooper | Owens, Kaleb | Armendariz, Jeremiah | Strong, Martin | 3:30.00 | |
| 5 | Ladue Horton Watkins | A | NT |
