NASCAR Cup Series practice has concluded at Circuit of the Americas. There were several spins during the session, involving Kyle Busch, Ryan Blaney, and Harrison Burton.
Kyle Busch led the way on the time charts at 92.681mph. With the split format of the practice, no driver ran more than seven laps on track.
The session was immediately followed by group qualifying.
| Cla | # | Driver | Manufacturer | Laps | Time | Gap | Interval | Mph | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 18 |  Kyle Busch | Toyota | 7 | 2'12.455 | 92.681 | |||
| 2 | 99 |  Daniel Suarez | Chevrolet | 5 | 2'12.567 | 0.112 | 0.112 | 92.602 | |
| 3 | 48 | Alex Bowman | Chevrolet | 6 | 2'12.632 | 0.177 | 0.065 | 92.557 | |
| 4 | 21 | Harrison Burton | Ford | 6 | 2'12.806 | 0.351 | 0.174 | 92.436 | |
| 5 | 8 | Tyler Reddick | Chevrolet | 7 | 2'12.810 | 0.355 | 0.004 | 92.433 | |
| 6 | 1 | Ross Chastain | Chevrolet | 5 | 2'12.826 | 0.371 | 0.016 | 92.422 | |
| 7 | 12 | Ryan Blaney | Ford | 6 | 2'12.891 | 0.436 | 0.065 | 92.376 | |
| 8 | 16 | A.J. Allmendinger | Chevrolet | 6 | 2'12.935 | 0.480 | 0.044 | 92.346 | |
| 9 | 41 | Cole Custer | Ford | 7 | 2'12.956 | 0.501 | 0.021 | 92.331 | |
| 10 | 22 | Joey Logano | Ford | 7 | 2'12.998 | 0.543 | 0.042 | 92.302 | |
| 11 | 2 | Austin Cindric | Ford | 7 | 2'13.160 | 0.705 | 0.162 | 92.190 | |
| 12 | 14 | Chase Briscoe | Ford | 6 | 2'13.357 | 0.902 | 0.197 | 92.054 | |
| 13 | 20 | Christopher Bell | Toyota | 5 | 2'13.524 | 1.069 | 0.167 | 91.939 | |
| 14 | 15 | Joey Hand | Ford | 6 | 2'13.559 | 1.104 | 0.035 | 91.914 | |
| 15 | 19 | Martin Truex Jr. | Toyota | 7 | 2'13.888 | 1.433 | 0.329 | 91.689 | |
| 16 | 5 | Kyle Larson | Chevrolet | 7 | 2'13.941 | 1.486 | 0.053 | 91.652 | |
| 17 | 11 | Denny Hamlin | Toyota | 7 | 2'14.137 | 1.682 | 0.196 | 91.518 | |
| 18 | 23 | Bubba Wallace | Toyota | 7 | 2'14.200 | 1.745 | 0.063 | 91.475 | |
| 19 | 45 | Kurt Busch | Toyota | 7 | 2'14.279 | 1.824 | 0.079 | 91.422 | |
| 20 | 10 | Aric Almirola | Ford | 7 | 2'14.288 | 1.833 | 0.009 | 91.415 | |
| 21 | 3 | Austin Dillon | Chevrolet | 4 | 2'14.300 | 1.845 | 0.012 | 91.407 | |
| 22 | 34 | Michael McDowell | Ford | 5 | 2'14.445 | 1.990 | 0.145 | 91.309 | |
| 23 | 17 | Chris Buescher | Ford | 6 | 2'14.473 | 2.018 | 0.028 | 91.290 | |
| 24 | 4 | Kevin Harvick | Ford | 7 | 2'14.607 | 2.152 | 0.134 | 91.199 | |
| 25 | 31 | Justin Haley | Chevrolet | 4 | 2'14.655 | 2.200 | 0.048 | 91.166 | |
| 26 | 50 | Kaz Grala | Chevrolet | 5 | 2'14.903 | 2.448 | 0.248 | 90.999 | |
| 27 | 24 | William Byron | Chevrolet | 5 | 2'14.913 | 2.458 | 0.010 | 90.992 | |
| 28 | 6 | Brad Keselowski | Ford | 6 | 2'14.936 | 2.481 | 0.023 | 90.976 | |
| 29 | 38 | Todd Gilliland | Ford | 6 | 2'15.076 | 2.621 | 0.140 | 90.882 | |
| 30 | 9 | Chase Elliott | Chevrolet | 7 | 2'15.191 | 2.736 | 0.115 | 90.805 | |
| 31 | 7 | Corey Lajoie | Chevrolet | 5 | 2'15.212 | 2.757 | 0.021 | 90.791 | |
| 32 | 47 | Ricky Stenhouse Jr. | Chevrolet | 6 | 2'15.236 | 2.781 | 0.024 | 90.775 | |
| 33 | 78 | Andy Lally | Ford | 6 | 2'15.433 | 2.978 | 0.197 | 90.643 | |
| 34 | 43 | Erik Jones | Chevrolet | 4 | 2'15.591 | 3.136 | 0.158 | 90.537 | |
| 35 | 42 | Ty Dillon | Chevrolet | 7 | 2'15.598 | 3.143 | 0.007 | 90.532 | |
| 36 | 77 | Josh Bilicki | Chevrolet | 5 | 2'16.009 | 3.554 | 0.411 | 90.259 | |
| 37 | 27 |  Loris Hezemans | Ford | 5 | 2'16.422 | 3.967 | 0.413 | 89.985 | |
| 38 | 66 | Boris Said | Ford | 6 | 2'18.054 | 5.599 | 1.632 | 88.922 | |
| 39 | 51 | Cody Ware | Ford | 3 | 2'22.752 | 10.297 | 4.698 | 85.995 |
