JoJo Frost was the initial 3A boys 400 hurdles winner, but was later disqualified.
| BOYS 400 METER HURDLES FINALS | ||||||
|---|---|---|---|---|---|---|
| PLACE | ATHLETE | TEAM | RESULT | WIND | H# | |
| 1 | Dallas Wright | 12 | Carlisle High School | 53.20 | 3 | |
| 2 | Devan Baldus | 12 | Boone High School | 54.30 | 3 | |
| 3 | Avery Vanzee | 11 | Pella High School | 54.89 | 2 | |
| 4 | Alex Sharp | 11 | Gilbert High School | 55.07 | 3 | |
| 5 | Bennett Spry | 12 | Oskaloosa High School | 55.26 | 3 | |
| 6 | Gratt Reed | 9 | Atlantic High School | 55.56 | 3 | |
| 7 | Austin Chase | 11 | Algona High School | 55.59 | 2 | |
| 8 | Zach Renken | 12 | Spirit Lake High School | 55.98 | 3 | |
| 9 | Joe Friend | 11 | Dubuque Wahlert High School | 55.99 | 3 | |
| 10 | Garrett Skalnik | 11 | Dallas Center-Grimes High School | 56.14 | 2 | |
| 11 | Jake Lowe | 11 | Mount Pleasant High School | 56.34 | 2 | |
| 12 | Brennan Bock | 11 | Carroll High School | 56.42 | 2 | |
| 13 | Michael Hartman | 11 | West Liberty High School | 56.71 | 1 | |
| 14 | Devin Smith | 10 | Center Point-Urbana High School | 57.01 | 2 | |
| 15 | Jayden Weber | 11 | Mount Vernon High School | 57.43 | 1 | |
| 16 | Quinton Sommers | 10 | North Polk High School | 57.57 | 1 | |
| 17 | Stephen Shuka | 12 | Gilbert High School | 57.57 | 2 | |
| 18 | Tj Stephenson | 11 | Saydel High School | 57.90 | 1 | |
| 19 | Grant Franzenburg | 12 | Benton Community High School | 57.99 | 1 | |
| 20 | Derek Toy | 12 | Clear Creek-Amana High School | 58.06 | 1 | |
| 21 | Ben Wadle | 10 | Le Mars High School | 58.08 | 1 | |
| 22 | Austin Tye | 12 | Glenwood High School | 59.39 | 1 | |
| 23 | Braden Stovie | 10 | Xavier High School | 59.57 | 2 | |