Take a look at which drivers have the best 10-lap averages this weekend at Dover International Speedway in the Monster Energy NASCAR Cup Series. (Note: No drivers ran 10 consecutive laps in Friday’s opening practice.)
FINAL PRACTICE: Results
| Pos | Car | Driver | From Lap | To Lap | Avg Speed |
| 1 | 14 | Clint Bowyer | 1 | 10 | 155.880 |
| 2 | 18 | Kyle Busch | 1 | 10 | 155.584 |
| 3 | 12 | Ryan Blaney | 1 | 10 | 155.484 |
| 4 | 10 | Aric Almirola | 1 | 10 | 155.388 |
| 5 | 4 | Kevin Harvick | 2 | 11 | 155.378 |
| 6 | 24 | William Byron # | 1 | 10 | 155.263 |
| 7 | 9 | Chase Elliott | 1 | 10 | 155.143 |
| 8 | 41 | Kurt Busch | 1 | 10 | 155.063 |
| 9 | 2 | Brad Keselowski | 1 | 10 | 155.024 |
| 10 | 21 | Paul Menard | 1 | 10 | 154.895 |
| 11 | 78 | Martin Truex Jr. | 1 | 10 | 154.852 |
| 12 | 19 | Daniel Suarez | 2 | 11 | 154.841 |
| 13 | 11 | Denny Hamlin | 1 | 10 | 154.782 |
| 14 | 42 | Kyle Larson | 1 | 10 | 154.571 |
| 15 | 20 | Erik Jones | 1 | 10 | 154.355 |
| 16 | 48 | Jimmie Johnson | 20 | 29 | 154.049 |
| 17 | 95 | Kasey Kahne | 1 | 10 | 154.025 |
| 18 | 22 | Joey Logano | 29 | 38 | 153.843 |
| 19 | 17 | Ricky Stenhouse Jr. | 1 | 10 | 153.805 |
| 20 | 6 | Trevor Bayne | 3 | 12 | 153.497 |
| 21 | 88 | Alex Bowman | 1 | 10 | 153.346 |
| 22 | 38 | David Ragan | 1 | 10 | 152.910 |
| 23 | 3 | Austin Dillon | 25 | 34 | 152.434 |
| 24 | 32 | Matt DiBenedetto | 1 | 10 | 152.058 |
| 25 | 43 | Darrell Wallace Jr. # | 22 | 31 | 151.842 |
| 26 | 34 | Michael McDowell | 1 | 10 | 151.291 |
| 27 | 31 | Ryan Newman | 22 | 31 | 151.201 |
| 28 | 1 | Jamie McMurray | 17 | 26 | 151.143 |
| 29 | 13 | Ty Dillon | 20 | 29 | 150.763 |
| 30 | 15 | Ross Chastain (i) | 1 | 10 | 150.188 |
| 31 | 00 | Landon Cassill | 1 | 10 | 149.264 |
| 32 | 99 | * Derrike Cope | 13 | 22 | 143.531 |
PRACTICE 2: Results
| Pos | Car | Driver | From Lap | To Lap | Avg Speed |
| 1 | 2 | Brad Keselowski | 1 | 10 | 156.399 |
| 2 | 18 | Kyle Busch | 2 | 11 | 156.017 |
| 3 | 4 | Kevin Harvick | 1 | 10 | 156.005 |
| 4 | 17 | Ricky Stenhouse Jr. | 1 | 10 | 155.845 |
| 5 | 14 | Clint Bowyer | 1 | 10 | 155.484 |
| 6 | 24 | William Byron # | 2 | 11 | 155.474 |
| 7 | 21 | Paul Menard | 1 | 10 | 155.431 |
| 8 | 9 | Chase Elliott | 1 | 10 | 155.391 |
| 9 | 88 | Alex Bowman | 1 | 10 | 155.080 |
| 10 | 78 | Martin Truex Jr. | 7 | 16 | 155.058 |
| 11 | 20 | Erik Jones | 3 | 12 | 154.965 |
| 12 | 11 | Denny Hamlin | 4 | 13 | 154.861 |
| 13 | 41 | Kurt Busch | 31 | 40 | 154.729 |
| 14 | 19 | Daniel Suarez | 4 | 13 | 154.724 |
| 15 | 42 | Kyle Larson | 11 | 20 | 154.224 |
| 16 | 12 | Ryan Blaney | 21 | 30 | 153.828 |
| 17 | 48 | Jimmie Johnson | 20 | 29 | 153.777 |
| 18 | 47 | AJ Allmendinger | 33 | 42 | 153.506 |
| 19 | 43 | Darrell Wallace Jr. # | 6 | 15 | 153.211 |
| 20 | 3 | Austin Dillon | 25 | 34 | 152.937 |
| 21 | 31 | Ryan Newman | 19 | 28 | 152.794 |
| 22 | 32 | Matt DiBenedetto | 1 | 10 | 152.330 |
| 23 | 1 | Jamie McMurray | 18 | 27 | 152.312 |
| 24 | 23 | Gray Gaulding | 8 | 17 | 149.905 |
| 25 | 51 | Cody Ware (i) | 14 | 23 | 142.248 |
Car must run 10 consecutive laps on the track to be included in the above chart.
* Required to qualify on time
(i) Ineligible for driver points in this series
# Indicates driver is running for Sunoco Rookie of the Year honors