Ryan Blaney may have been the fastest in Friday’s opening practice and qualifying ahead of Sunday’s Monster Energy NASCAR Cup Series race at ISM Raceway but a surprise name was the quickest in the first practice on Saturday.
Chris Buescher drove his No. 37 Chevrolet to the top of the speed charts in Saturday’s opening practice for the Ticket Guardian 500.
Ticket Guardian Practice #2 Speeds
| RaceRank | No | Driver | BestLapTime | BestSpeed | BestLap | Laps |
| 1 | 37 | Chris Buescher | 26.092 | 137.973 | 2 | 28 |
| 2 | 12 | Ryan Blaney | 26.103 | 137.915 | 25 | 40 |
| 3 | 2 | Brad Keselowski | 26.154 | 137.646 | 3 | 28 |
| 4 | 42 | Kyle Larson | 26.16 | 137.615 | 9 | 42 |
| 5 | 18 | Kyle Busch | 26.164 | 137.594 | 11 | 41 |
| 6 | 4 | Kevin Harvick | 26.165 | 137.588 | 5 | 42 |
| 7 | 22 | Joey Logano | 26.198 | 137.415 | 3 | 38 |
| 8 | 3 | Austin Dillon | 26.202 | 137.394 | 4 | 39 |
| 9 | 88 | Alex Bowman | 26.213 | 137.336 | 23 | 35 |
| 10 | 1 | Kurt Busch | 26.224 | 137.279 | 18 | 46 |
| 11 | 11 | Denny Hamlin | 26.246 | 137.164 | 15 | 45 |
| 12 | 20 | Erik Jones | 26.267 | 137.054 | 8 | 31 |
| 13 | 48 | Jimmie Johnson | 26.274 | 137.018 | 7 | 41 |
| 14 | 17 | Ricky Stenhouse Jr. | 26.281 | 136.981 | 5 | 39 |
| 15 | 10 | Aric Almirola | 26.303 | 136.867 | 8 | 35 |
| 16 | 19 | Martin Truex Jr. | 26.306 | 136.851 | 38 | 45 |
| 17 | 95 | Matt DiBenedetto | 26.321 | 136.773 | 8 | 27 |
| 18 | 9 | Chase Elliott | 26.326 | 136.747 | 14 | 44 |
| 19 | 14 | Clint Bowyer | 26.327 | 136.742 | 5 | 38 |
| 20 | 21 | Paul Menard | 26.341 | 136.669 | 30 | 46 |
| 21 | 6 | Ryan Newman | 26.357 | 136.586 | 7 | 34 |
| 22 | 41 | Daniel Suarez | 26.37 | 136.519 | 16 | 44 |
| 23 | 8 | Daniel Hemric # | 26.405 | 136.338 | 11 | 30 |
| 24 | 24 | William Byron | 26.405 | 136.338 | 18 | 35 |
| 25 | 36 | Matt Tifft # | 26.465 | 136.029 | 3 | 34 |
| 26 | 43 | Bubba Wallace | 26.489 | 135.905 | 10 | 30 |
| 27 | 32 | Corey LaJoie | 26.538 | 135.655 | 3 | 23 |
| 28 | 38 | David Ragan | 26.606 | 135.308 | 4 | 43 |
| 29 | 34 | Michael McDowell | 26.625 | 135.211 | 3 | 29 |
| 30 | 13 | Ty Dillon | 26.667 | 134.998 | 4 | 37 |
| 31 | 47 | Ryan Preece # | 26.68 | 134.933 | 2 | 29 |
| 32 | 0 | Landon Cassill | 26.807 | 134.293 | 5 | 26 |
| 33 | 15 | Ross Chastain(i) | 26.828 | 134.188 | 11 | 31 |
| 34 | 52 | Bayley Currey(i) | 27.656 | 130.171 | 10 | 24 |
| 35 | 51 | Cody Ware # | 27.686 | 130.03 | 4 | 24 |
| 36 | 77 | Quin Houff | 27.766 | 129.655 | 17 | 21 |
