Austin Dillon at top of final Xfinity Series practice at Auto Club Speedway

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Austin Dillon, driving the No. 33 Chevy for Richard Childress Racing, found himself at the top of the speed chart of the Xfinity Series’ final practice session at Auto Club Speedway.

Dillon, winner of the series’ Las Vegas race two weeks ago, had a fast lap of 174.914 mph, as well as the best 10 consecutive lap average of 171.282 mph.

Dillon was followed on the speed chart by Brad Keselowski at 174.740 mph and Regan Smith at 173.758 mph. Kevin Harvick, who was fastest in the first practice session, was fourth at 173.632 mph.

Kyle Larson finished the session with a back up car after his No. 42 Chevy smacked the wall out of Turn 4, which led to a red flag period to clean up debris. Larson topped out at 22nd fastest with a speed of 169.723 mph.

 

1. Austin Dillon … 174.914 … 29 laps
2. Brad Keselowski … 174.740 … 33 laps
3. Regan Smith … 173.758 … 30 laps
4. Kevin Harvick … 173.632 … 32 laps
5. Brendan Gaughan … 173.490 … 15 laps
6. Brian Scott … 173.415 … 31 laps
7. Chase Elliott … 173.360 … 35 laps
8. Denny Hamlin … 173.235 … 29 laps
9. Erik Jones … 173.193 … 29 laps
10. John Wes Townley … 173.077 … 22 laps
11. Ty Dillon … 173.056 … 24 laps
12. Daniel Suarez … 172.712 … 30 laps
13. Chris Buescher … 171.854 … 22 laps
14. Blake Koch … 171.793 … 21 laps
15. Elliott Sadler … 171.784 … 34 laps
16. Sam Hornish Jr. … 171.555 … 29 laps
17. Ryan Sieg … 171.457 … 10 laps
18. Cale Conley … 171.046 … 18 laps
19. Darrell Wallace Jr. … 170.604 … 28 laps
20. Jeffrey Earnhardt … 170.483 … 22 laps
21. Dakoda Armstrong … 170.164 … 19 laps
22. Kyle Larson … 169.723 … 4 laps
23. Ross Chastain … 169.436 … 15 laps
24. Jeremy Clements … 169.233 … 12 laps
25. Ryan Reed … 168.508 … 1 lap
26. David Starr … 168.319 … 12 laps
27. Landon Cassill … 167.957 … 18 laps
28. Mario Gosselin … 167.407 … 15 laps
29. J.J Yeley … 166.887 … 23 laps
30. Carl Long … 165.895 … 1 lap
31. Joey Gase … 165.849 … 1 lap
32. Peyton Sellers … 165.769 … 22 laps
33. Eric McClure … 165.316 … 15 laps
34. Harrison Rhodes … 165.229 … 16 laps
35. Jeff Green … 165.047 … 6 laps
36. Stanton Barrett … 164.809 … 14 laps
37. Derrike Cope … 161.874 … 13 laps
38. Mike Harmon … 160.011 … 5 laps
39. Derek White … 155.565 … 5 laps
40. Mike Bliss … no time … no laps

Best 10 consecutive lap average

1. Austin Dillon … 171.282
2. Brendan Gaughan … 170.976
3. Brian Scott … 170.711
4. Regan Smith … 170.684
5. Chase Elliott … 170.638
6. Erik Jones … 169.856
7. Darrell Wallace Jr. … 169.595
8. Sam Hornish Jr. … 168.705
9. Daniel Suarez … 168.521
10. Denny Hamlin … 167.749