Résultats du segment 1 de l'événement United Rentals Work 500 2023
12 mars
Arizona - Avondale
Phoenix Raceway 1,61 km (1,00 mi)
| P | # | Pilote | Propriétaire | Moteur | Tours | Points | PP |
| 1 | 24 | William Byron | Hendrick Motorsports | Chevrolet | 60 | 10 | 1 |
| 2 | 5 | Kyle Larson | Hendrick Motorsports | Chevrolet | 60 | 9 | |
| 3 | 20 | Christopher David Bell | Joe Gibbs Racing | Toyota | 60 | 8 | |
| 4 | 11 | Denny Hamlin | Joe Gibbs Racing | Toyota | 60 | 7 | |
| 5 | 45 | Tyler Reddick | 23XI Racing | Toyota | 60 | 6 | |
| 6 | 12 | Ryan Blaney | Team Penske | Ford | 60 | 5 | |
| 7 | 1 | Ross L. Chastain | Trackhouse Racing Team | Chevrolet | 60 | 4 | |
| 8 | 4 | Kevin Harvick | Stewart-Haas Racing | Ford | 60 | 3 | |
| 9 | 6 | Brad Keselowski | RFK Racing | Ford | 60 | 2 | |
| 10 | 8 | Kyle Busch | Richard Childress Racing | Chevrolet | 60 | 1 |