Résultats du segment 1 de l'événement Iowa Corn 350 2024
17 juin
Iowa - Newton
Iowa Speedway 1,41 km (0,88 mi)
| P | # | Pilote | Propriétaire | Moteur | Tours | Points | PP |
| 1 | 12 | Ryan Blaney | Team Penske | Ford | 70 | 10 | 1 |
| 2 | 5 | Kyle Larson | Hendrick Motorsports | Chevrolet | 70 | 9 | |
| 3 | 99 | Daniel Suárez | Trackhouse Racing Team | Chevrolet | 70 | 8 | |
| 4 | 24 | William Byron | Hendrick Motorsports | Chevrolet | 70 | 7 | |
| 5 | 4 | Joshua Berry | Stewart-Haas Racing | Ford | 70 | 6 | |
| 6 | 22 | Joey Logano | Team Penske | Ford | 70 | 5 | |
| 7 | 7 | Corey Daniel LaJoie | Spire Motorsports | Chevrolet | 70 | 4 | |
| 8 | 6 | Brad Keselowski | RFK Racing | Ford | 70 | 3 | |
| 9 | 9 | Chase Elliott | Hendrick Motorsports | Chevrolet | 70 | 2 | |
| 10 | 8 | Kyle Busch | Richard Childress Racing | Chevrolet | 70 | 1 |