Aric Almirola led the way in Friday’s first NASCAR Cup Series practice session for the Pennzoil 400 at Las Vegas Motor Speedway.
Click to view practice speeds at NASCAR.com
Speeds and best 10 consecutive averages (pdf)
| Pos | Car | Driver | Make | Time | Speed | Lap # | # Laps | -Fastest | -Next |
| 1 | 10 | Aric Almirola | Ford | 30.226 | 178.654 | 29 | 29 | —.— | —.— |
| 2 | 14 | Clint Bowyer | Ford | 30.272 | 178.383 | 21 | 21 | -0.046 | -0.046 |
| 3 | 13 | Ty Dillon | Chevrolet | 30.325 | 178.071 | 28 | 28 | -0.099 | -0.053 |
| 4 | 22 | Joey Logano | Ford | 30.330 | 178.042 | 2 | 32 | -0.104 | -0.005 |
| 5 | 88 | Alex Bowman | Chevrolet | 30.400 | 177.632 | 37 | 37 | -0.174 | -0.070 |
| 6 | 21 | Matt DiBenedetto | Ford | 30.424 | 177.491 | 4 | 25 | -0.198 | -0.024 |
| 7 | 1 | Kurt Busch | Chevrolet | 30.470 | 177.223 | 21 | 27 | -0.244 | -0.046 |
| 8 | 9 | Chase Elliott | Chevrolet | 30.475 | 177.194 | 5 | 27 | -0.249 | -0.005 |
| 9 | 42 | Kyle Larson | Chevrolet | 30.480 | 177.165 | 12 | 24 | -0.254 | -0.005 |
| 10 | 12 | Ryan Blaney | Ford | 30.512 | 176.980 | 22 | 30 | -0.286 | -0.032 |
| 11 | 24 | William Byron | Chevrolet | 30.540 | 176.817 | 7 | 26 | -0.314 | -0.028 |
| 12 | 4 | Kevin Harvick | Ford | 30.562 | 176.690 | 11 | 29 | -0.336 | -0.022 |
| 13 | 41 | Cole Custer # | Ford | 30.604 | 176.448 | 9 | 27 | -0.378 | -0.042 |
| 14 | 19 | Martin Truex Jr. | Toyota | 30.604 | 176.448 | 22 | 25 | -0.378 | 0.000 |
| 15 | 18 | Kyle Busch | Toyota | 30.616 | 176.378 | 15 | 19 | -0.390 | -0.012 |
| 16 | 48 | Jimmie Johnson | Chevrolet | 30.627 | 176.315 | 3 | 33 | -0.401 | -0.011 |
| 17 | 2 | Brad Keselowski | Ford | 30.677 | 176.028 | 10 | 32 | -0.451 | -0.050 |
| 18 | 6 | Ross Chastain | Ford | 30.678 | 176.022 | 28 | 28 | -0.452 | -0.001 |
| 19 | 8 | Tyler Reddick # | Chevrolet | 30.711 | 175.833 | 32 | 38 | -0.485 | -0.033 |
| 20 | 20 | Erik Jones | Toyota | 30.720 | 175.781 | 16 | 19 | -0.494 | -0.009 |
| 21 | 38 | John Hunter | Ford | 30.758 | 175.564 | 11 | 23 | -0.532 | -0.038 |
| 22 | 17 | Chris Buescher | Ford | 30.796 | 175.347 | 23 | 26 | -0.570 | -0.038 |
| 23 | 47 | Ricky Stenhouse Jr. | Chevrolet | 30.813 | 175.251 | 12 | 25 | -0.587 | -0.017 |
| 24 | 3 | Austin Dillon | Chevrolet | 30.824 | 175.188 | 18 | 37 | -0.598 | -0.011 |
| 25 | 11 | Denny Hamlin | Toyota | 30.836 | 175.120 | 13 | 17 | -0.610 | -0.012 |
| 26 | 43 | Bubba Wallace | Chevrolet | 30.852 | 175.029 | 9 | 27 | -0.626 | -0.016 |
| 27 | 95 | Christopher Bell # | Toyota | 30.903 | 174.740 | 14 | 17 | -0.677 | -0.051 |
| 28 | 34 | Michael McDowell | Ford | 30.932 | 174.576 | 15 | 21 | -0.706 | -0.029 |
| 29 | 37 | Ryan Preece | Chevrolet | 30.985 | 174.278 | 17 | 19 | -0.759 | -0.053 |
| 30 | 96 | Daniel Suarez | Toyota | 31.153 | 173.338 | 12 | 21 | -0.927 | -0.168 |
| 31 | 15 | Brennan Poole # | Chevrolet | 31.460 | 171.647 | 3 | 11 | -1.234 | -0.307 |
| 32 | 32 | Corey LaJoie | Ford | 31.469 | 171.597 | 21 | 23 | -1.243 | -0.009 |
| 33 | 52 | JJ Yeley | Ford | 31.633 | 170.708 | 3 | 4 | -1.407 | -0.164 |
| 34 | 00 | Quin Houff # | Chevrolet | 31.864 | 169.470 | 8 | 15 | -1.638 | -0.231 |
| 35 | 53 | Joey Gase | Ford | 32.080 | 168.329 | 19 | 19 | -1.854 | -0.216 |
| 36 | 77 | Reed Sorenson | Chevrolet | 32.085 | 168.303 | 3 | 3 | -1.859 | -0.005 |
| 37 | 51 | Garrett Smithley | Chevrolet | 32.751 | 164.880 | 1 | 1 | -2.525 | -0.666 |
Best 10 Consecutive Lap Averages
| Pos | Car | Driver | From Lap | To Lap | Avg Speed |
| 1 | 10 | Aric Almirola | 2 | 11 | 176.398 |
| 2 | 88 | Alex Bowman | 2 | 11 | 176.216 |
| 3 | 42 | Kyle Larson | 7 | 16 | 175.914 |
| 4 | 12 | Ryan Blaney | 16 | 25 | 175.898 |
| 5 | 1 | Kurt Busch | 16 | 25 | 175.760 |
| 6 | 13 | Ty Dillon | 17 | 26 | 175.274 |
| 7 | 9 | Chase Elliott | 11 | 20 | 175.204 |
| 8 | 48 | Jimmie Johnson | 11 | 20 | 174.960 |
| 9 | 41 | Cole Custer # | 1 | 10 | 174.950 |
| 10 | 2 | Brad Keselowski | 23 | 32 | 174.893 |
| 11 | 6 | Ross Chastain | 12 | 21 | 174.602 |
| 12 | 11 | Denny Hamlin | 8 | 17 | 174.338 |
| 13 | 3 | Austin Dillon | 22 | 31 | 174.246 |
| 14 | 8 | Tyler Reddick # | 4 | 13 | 174.154 |
