| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MENENDEZ, Isaac | FR | Affton High School | 18.53m | Verified |
| 2 | HAWKINS, Marion'tae | SO | Bayless High School | 20.73m | Verified |
| 3 | MITCHELL, Terrance | SO | Gateway High School | 21.20m | Verified |
| 4 | FORTSON, Charvez | JR | Lutheran North High School | 22.50m | Verified |
| 5 | O'BRIEN, Jack | SO | Brentwood High School | 22.54m | Verified |
| 6 | ALLBRIGHT, Alexander | SO | Affton High School | 23.54m | Verified |
| 7 | BOSSERT, Henry | JR | Vianney High School | 23.87m | Verified |
| 8 | BEKTIC, Mustafa | FR | Bayless High School | 24.94m | Verified |
| 9 | BOYKIN, Floyd | FR | Lutheran North High School | 26.31m | Verified |
| 10 | CHI, Renda | SR | Priory High School | 26.75m | Verified |
| 10 | CHI, Renda | SR | Priory High School | 26.75m | Verified |
| 11 | KNIEP, Cole | JR | John Burroughs High School | 27.03m | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | TAYLOR, Jamarion | JR | St. Mary's (St. Louis) High Scho | 27.15m | Verified |
| 2 | WOHL, Owen | JR | Clayton High School | 27.30m | Verified |
| 3 | LONDON, Lamon | SO | Hazelwood Central High School | 27.54m | Verified |
| 4 | THOMAS, Ja'len | SR | STEAM Academy at McCluer South-B | 27.81m | Verified |
| 5 | WARRICK, Luke | SR | Principia High School | 28.98m | Verified |
| 6 | WILLARD, Jacob | SR | Priory High School | 29.36m | Verified |
| 7 | ERVIN, Quentin | SR | St. Mary's (St. Louis) High Scho | 29.90m | Verified |
| 8 | POINTER, Alan | SO | Lift for Life Academy Charter Hi | 29.90m | Verified |
| 9 | FROST, Jashawn | SR | Gateway High School | 30.18m | Verified |
| 10 | SIDAMBA, Michael | SO | Principia High School | 30.56m | Verified |
| 11 | KNISPEL, Isaiah | JR | John Burroughs High School | 31.65m | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | O'BRIEN, Thomas | JR | Clayton High School | 31.98m | Verified |
| 2 | CRAIG, J'Shon | SR | University City High School | 32.42m | Verified |
| 3 | HOLLOWAY, William | JR | STEAM Academy at McCluer South-B | 33.44m | Verified |
| 4 | BROWN, Blake | SO | Hazelwood Central High School | 33.91m | Verified |
| 5 | STRANCZEK, Teddy | JR | Chaminade College Preparatory Sc | 34.30m | Verified |
| 6 | SEITZ, Jack | JR | Vianney High School | 34.75m | Verified |
| 7 | MAYWEATHER, Elijah | SR | University City High School | 35.97m | Verified |
| 8 | SNEED, Braxton | JR | Lift for Life Academy Charter Hi | 36.88m | Verified |
| 9 | MCCOY, James | SO | Lutheran South High School | 38.38m | Verified |
| 10 | EICHELBERGER, Brian | SR | Lutheran South High School | 38.80m | Verified |
| 11 | RUSSELL, Kyle | JR | Chaminade College Preparatory Sc | 39.37m | Verified |