Résultats du segment 1 de l'événement Pennzoil 400 presented by Jiffy Lube 2019
03 mars
Nevada - Las Vegas
Las Vegas Motor Speedway 2,41 km (1,50 mi)
| P | # | Pilote | Propriétaire | Moteur | Tours | Points | PP |
| 1 | 4 | Kevin Harvick | Stewart-Haas Racing | Ford | 80 | 10 | 1 |
| 2 | 18 | Kyle Busch | Joe Gibbs Racing | Toyota | 80 | 9 | |
| 3 | 22 | Joey Logano | Team Penske | Ford | 80 | 8 | |
| 4 | 11 | Denny Hamlin | Joe Gibbs Racing | Toyota | 80 | 7 | |
| 5 | 20 | Erik Jones | Joe Gibbs Racing | Toyota | 80 | 6 | |
| 6 | 17 | Ricky Stenhouse Jr. | Roush Fenway Racing | Ford | 80 | 5 | |
| 7 | 19 | Martin Truex Jr. | Joe Gibbs Racing | Toyota | 80 | 4 | |
| 8 | 9 | Chase Elliott | Hendrick Motorsports | Chevrolet | 80 | 3 | |
| 9 | 41 | Daniel Suárez | Stewart-Haas Racing | Ford | 80 | 2 | |
| 10 | 2 | Brad Keselowski | Team Penske | Ford | 80 | 1 |