#18 Boys 4 x 1600m Relay Start List
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | St. Charles | A | Martin-Hilker, Brendan | Lopez, Jonathan | Ruiz-Behrends, Sullivan | Doss, Thomas | 19:30.00 | |
| 2 | Francis Howell Central | A | Cordsiemon, Ronnie | Hamilton, Ethan | Sallwasser, Timothy | Nachtrab, Logan | 20:16.00 | |
| 3 | Ft. Zumwalt West | A | Parker, Nick | Lo, Anderson | Classen, Peter | Boatman, Bennett | 21:00.72 | |
| 4 | Ft. Zumwalt East | A | Lanctot, Joshua | Schroff, Nolan | Myers, Sam | Chavis, Elijah | 23:00.00 | |
| 5 | Ft. Zumwalt South | A | Hanson-Sutherland, Jakson | Hunn, Ethan | Becherer, Travis | Myers, Nicolas | 23:30.00 | |
| 6 | Holt | A | Tauser, David | Eller, Aaron | Richardson, Hunter | Hirshbuehler, John | NT | |
| 7 | St. Charles West | A | Southard, Zack | Handshy, William | Winkler, Brandon | White, Aaron | DNS | |
| 8 | Troy-Buchanan | A | Carr, Isaac | Orf, Brody | Schulte, Zachariah | Ballard, Ryley | NT |
