Auto Club NASCAR Practice #1 5,10,15 and 20 Lap Averages
| Driver | 5 Lap Avg. | 10 Lap Avg. | 15 Lap Avg. | 20 Lap Avg. |
|---|---|---|---|---|
| Alex Bowman | 1 | 1 | ||
| Matt DiBenedetto | 2 | |||
| Ryan Blaney | 3 | |||
| Jimmie Johnson | 4 | |||
| Tyler Reddick | 5 | |||
| Kurt Busch | 6 | 2 | 1 | 1 |
| Brad Keselowski | 7 | |||
| Ricky Stenhouse Jr. | 8 | |||
| Denny Hamlin | 9 | 6 | ||
| Martin Truex Jr. | 10 | 4 | ||
| Kyle Larson | 11 | |||
| Ryan Preece | 12 | |||
| Austin Dillon | 13 | |||
| William Byron | 14 | |||
| Joey Logano | 15 | |||
| Kevin Harvick | 16 | 5 | ||
| Erik Jones | 17 | |||
| Cole Custer | 18 | 3 | ||
| Aric Almirola | 19 | |||
| Ross Chastian | 20 | |||
| Kyle Busch | 21 | |||
| Clint Bowyer | 22 | |||
| Chase Elliott | 23 | 7 | ||
| Bubba Wallace | 24 | |||
| Christopher Bell | 25 | |||
| John Hunter Nemechek | 26 | |||
| Ty Dillon | 27 | |||
| Michael McDowell | 28 | |||
| Corey LaJoie | 29 | |||
| Brennan Poole | 30 | |||
| Daniel Suarez | 31 | |||
| Quin Houff | 32 | |||
| Joey Gase | 33 |
