Phoenix Practice 15 Lap Average Speed Rankings
| Driver | 15 Lap Averages |
|---|---|
| Martin Truex Jr. | 1 |
| Chase Elliott | 2 |
| Ryan Blaney | 3 |
| Kyle Busch | 4 |
| Brad Keselowski | 5 |
| Kyle Larson | 6 |
| Kevin Harvick | 7 |
| William Byron | 8 |
| Kurt Busch | 9 |
| Ross Chastain | 10 |
| Ryan Newman | 11 |
| Anthony Alfredo | 12 |
