NASCAR Cup 2018 Chicagoland
| Cla | # | Piloto | Fabricante | Voltas | Tempo | Diferença | Intervalo | Mph | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Brad Keselowski | Ford | 30 | 29.863 | 180.826 | |||
| 2 | 78 | Martin Truex Jr. | Toyota | 25 | 29.891 | 0.028 | 0.028 | 180.656 | |
| 3 | 22 | Joey Logano | Ford | 37 | 29.952 | 0.089 | 0.061 | 180.288 | |
| 4 | 41 | Kurt Busch | Ford | 29 | 30.055 | 0.192 | 0.103 | 179.671 | |
| 5 | 10 | Aric Almirola | Ford | 32 | 30.196 | 0.333 | 0.141 | 178.832 | |
| 6 | 4 | Kevin Harvick | Ford | 28 | 30.374 | 0.511 | 0.178 | 177.784 | |
| 7 | 1 | Jamie McMurray | Chevrolet | 47 | 30.469 | 0.606 | 0.095 | 177.229 | |
| 8 | 18 | Kyle Busch | Toyota | 33 | 30.478 | 0.615 | 0.009 | 177.177 | |
| 9 | 20 | Erik Jones | Toyota | 31 | 30.608 | 0.745 | 0.130 | 176.424 | |
| 10 | 14 | Clint Bowyer | Ford | 26 | 30.626 | 0.763 | 0.018 | 176.321 | |
| 11 | 37 | Chris Buescher | Chevrolet | 33 | 30.830 | 0.967 | 0.204 | 175.154 | |
| 12 | 11 | Denny Hamlin | Toyota | 46 | 30.848 | 0.985 | 0.018 | 175.052 | |
| 13 | 13 | Ty Dillon | Chevrolet | 31 | 30.884 | 1.021 | 0.036 | 174.848 | |
| 14 | 12 | Ryan Blaney | Ford | 29 | 30.893 | 1.030 | 0.009 | 174.797 | |
| 15 | 43 | Darrell Wallace Jr. | Chevrolet | 46 | 30.895 | 1.032 | 0.002 | 174.786 | |
| 16 | 42 | Kyle Larson | Chevrolet | 42 | 30.987 | 1.124 | 0.092 | 174.267 | |
| 17 | 24 | William Byron | Chevrolet | 38 | 31.025 | 1.162 | 0.038 | 174.053 | |
| 18 | 19 |  Daniel Suarez | Toyota | 34 | 31.030 | 1.167 | 0.005 | 174.025 | |
| 19 | 95 | Kasey Kahne | Chevrolet | 20 | 31.057 | 1.194 | 0.027 | 173.874 | |
| 20 | 3 | Austin Dillon | Chevrolet | 30 | 31.077 | 1.214 | 0.020 | 173.762 | |
| 21 | 88 | Alex Bowman | Chevrolet | 31 | 31.125 | 1.262 | 0.048 | 173.494 | |
| 22 | 17 | Ricky Stenhouse Jr. | Ford | 24 | 31.132 | 1.269 | 0.007 | 173.455 | |
| 23 | 9 | Chase Elliott | Chevrolet | 15 | 31.164 | 1.301 | 0.032 | 173.277 | |
| 24 | 21 | Paul Menard | Ford | 24 | 31.169 | 1.306 | 0.005 | 173.249 | |
| 25 | 31 | Ryan Newman | Chevrolet | 22 | 31.234 | 1.371 | 0.065 | 172.889 | |
| 26 | 6 | Trevor Bayne | Ford | 17 | 31.274 | 1.411 | 0.040 | 172.667 | |
| 27 | 34 | Michael McDowell | Ford | 32 | 31.343 | 1.480 | 0.069 | 172.287 | |
| 28 | 38 | David Ragan | Ford | 24 | 31.444 | 1.581 | 0.101 | 171.734 | |
| 29 | 32 | Matt DiBenedetto | Ford | 21 | 31.550 | 1.687 | 0.106 | 171.157 | |
| 30 | 48 | Jimmie Johnson | Chevrolet | 14 | 31.591 | 1.728 | 0.041 | 170.935 | |
| 31 | 47 | A.J. Allmendinger | Chevrolet | 18 | 31.604 | 1.741 | 0.013 | 170.864 | |
| 32 | 72 | Corey Lajoie | Chevrolet | 15 | 32.103 | 2.240 | 0.499 | 168.209 | |
| 33 | 00 | Landon Cassill | Chevrolet | 22 | 32.123 | 2.260 | 0.020 | 168.104 | |
| 34 | 99 | Kyle Weatherman | Chevrolet | 12 | 32.343 | 2.480 | 0.220 | 166.960 | |
| 35 | 23 | Gray Gaulding | Toyota | 4 | 32.382 | 2.519 | 0.039 | 166.759 | |
| 36 | 51 | BJ McLeod | Ford | 7 | 32.569 | 2.706 | 0.187 | 165.802 | |
| 37 | 66 | Timmy Hill | Toyota | 13 | 32.771 | 2.908 | 0.202 | 164.780 |