Clint Bowyer was the fastest in the opening practice for the Monster Energy NASCAR Cup Series at Martinsville. Bowyer having success at Martinsville is not a surprise, he won here a year ago. Teammates Daniel Suarez and Aric Almirola were second and third while Kevin Harvick was 11th.
MENCS drivers have two practice sessions on Saturday ahead of qualifying which takes place after the Gander Outdoors Truck Series race. Qualifying is expected to take place at 5 pm ET.
The MENCS will run the STP 500 at Martinsville on Sunday. FOX Sports 1 and MRN have coverage of the race starting at 2 pm ET.
MENCS Practice Martinsville
| RaceRank | No | Driver | BestLapTime | BestSpeed | BestLap | Laps |
| 1 | 14 | Clint Bowyer | 19.387 | 97.6737 | 49 | 49 |
| 2 | 41 | Daniel Suarez | 19.47 | 97.2573 | 18 | 20 |
| 3 | 10 | Aric Almirola | 19.521 | 97.0032 | 43 | 43 |
| 4 | 19 | Martin Truex Jr. | 19.534 | 96.9387 | 24 | 45 |
| 5 | 18 | Kyle Busch | 19.545 | 96.8841 | 11 | 51 |
| 6 | 2 | Brad Keselowski | 19.576 | 96.7307 | 12 | 50 |
| 7 | 37 | Chris Buescher | 19.593 | 96.6468 | 43 | 43 |
| 8 | 22 | Joey Logano | 19.62 | 96.5138 | 9 | 67 |
| 9 | 11 | Denny Hamlin | 19.634 | 96.4449 | 11 | 53 |
| 10 | 9 | Chase Elliott | 19.634 | 96.4449 | 17 | 62 |
| 11 | 4 | Kevin Harvick | 19.64 | 96.4155 | 20 | 44 |
| 12 | 12 | Ryan Blaney | 19.641 | 96.4106 | 13 | 52 |
| 13 | 48 | Jimmie Johnson | 19.668 | 96.2782 | 7 | 55 |
| 14 | 20 | Erik Jones | 19.671 | 96.2635 | 7 | 44 |
| 15 | 42 | Kyle Larson | 19.694 | 96.1511 | 10 | 56 |
| 16 | 3 | Austin Dillon | 19.696 | 96.1413 | 12 | 46 |
| 17 | 21 | Paul Menard | 19.726 | 95.9951 | 24 | 48 |
| 18 | 88 | Alex Bowman | 19.733 | 95.9611 | 7 | 60 |
| 19 | 43 | Bubba Wallace | 19.738 | 95.9368 | 18 | 44 |
| 20 | 47 | Ryan Preece # | 19.742 | 95.9173 | 9 | 42 |
| 21 | 13 | Ty Dillon | 19.751 | 95.8736 | 22 | 47 |
| 22 | 95 | Matt DiBenedetto | 19.757 | 95.8445 | 10 | 46 |
| 23 | 1 | Kurt Busch | 19.759 | 95.8348 | 10 | 41 |
| 24 | 32 | Corey LaJoie | 19.769 | 95.7863 | 22 | 22 |
| 25 | 6 | Ryan Newman | 19.79 | 95.6847 | 15 | 36 |
| 26 | 38 | David Ragan | 19.808 | 95.5977 | 16 | 40 |
| 27 | 8 | Daniel Hemric # | 19.859 | 95.3522 | 16 | 54 |
| 28 | 34 | Michael McDowell | 19.869 | 95.3042 | 18 | 23 |
| 29 | 17 | Ricky Stenhouse Jr. | 19.879 | 95.2563 | 23 | 48 |
| 30 | 36 | Matt Tifft # | 19.925 | 95.0364 | 19 | 39 |
| 31 | 15 | Ross Chastain(i) | 19.967 | 94.8365 | 24 | 35 |
| 32 | 0 | Landon Cassill | 20.032 | 94.5288 | 12 | 38 |
| 33 | 52 | Jeb Burton(i) | 20.236 | 93.5758 | 12 | 17 |
| 34 | 51 | Cody Ware # | 20.262 | 93.4557 | 9 | 9 |
| 35 | 77 | DJ Kennington(i) | 20.435 | 92.6645 | 22 | 27 |
| 36 | 24 | William Byron | 20.606 | 91.8956 | 2 | 2 |
