Résultats du segment 1 de l'événement FireKeepers Casino 400 2023
06 août
Michigan - Brooklyn
Michigan International Speedway 3,22 km (2,00 mi)
| P | # | Pilote | Propriétaire | Moteur | Tours | Points | PP |
| 1 | 19 | Martin Truex Jr. | Joe Gibbs Racing | Toyota | 45 | 10 | 1 |
| 2 | 23 | Darrell Wallace Jr. | 23XI Racing | Toyota | 45 | 9 | |
| 3 | 54 | Ty Randal Gibbs | Joe Gibbs Racing | Toyota | 45 | 8 | |
| 4 | 6 | Brad Keselowski | RFK Racing | Ford | 45 | 7 | |
| 5 | 5 | Kyle Larson | Hendrick Motorsports | Chevrolet | 45 | 6 | |
| 6 | 99 | Daniel Suárez | Trackhouse Racing Team | Chevrolet | 45 | 5 | |
| 7 | 48 | Alexander Bowman | Hendrick Motorsports | Chevrolet | 45 | 4 | |
| 8 | 11 | Denny Hamlin | Joe Gibbs Racing | Toyota | 45 | 3 | |
| 9 | 43 | Erik Jones | Legacy Motor Club | Chevrolet | 45 | 2 | |
| 10 | 7 | Corey Daniel LaJoie | Spire Motorsports | Chevrolet | 45 | 1 |