| Friday – September 7, 2018 | |||||
| Buttonwillow Raceway (13CW) | |||||
| Ranking | Lap Time | Name | Laps | Vehicle | Fast Lap |
| 1 | 01:51.919 | Adam Knapik | 11 | 991 GT3 | 10 |
| 2 | 01:56.505 | Peter West | 5 | Nismo GTR | 3 |
| 3 | 01:56.544 | Josh Shokri | 7 | GT3 | 3 |
| 4 | 01:56.916 | Robert Zhang | 20 | Capital | 2 |
| 5 | 01:57.542 | Frank Orozco | 8 | GTR | 7 |
| 6 | 01:58.210 | David Andrews | 6 | Corvette Z06 | 3 |
| 7 | 01:58.372 | kelvin cheung | 16 | Grand Sport | 8 |
| 8 | 02:02.954 | Steven Hollins | 25 | M4 | 15 |
| 9 | 02:04.006 | Erdi Sarialioglu | 13 | Atom | 4 |
| 10 | 02:08.216 | Eric Boehm | 3 | 911 Turbo S | 2 |
| 11 | 02:09.072 | Adrian Mulhall | 14 | 370z | 11 |
| 12 | 02:11.795 | Jeffy Lau | 17 | E90M | 1 |
| 13 | 02:12.012 | Josh Stichter | 37 | Lancer | 30 |
| 14 | 02:12.254 | Renee Lee | 11 | M3 | 6 |
| 15 | 02:12.442 | Ed Nichold | 21 | Shelby | 3 |
| 16 | 02:15.267 | Paul Teranishi | 16 | Subu | 16 |
| 17 | 02:18.544 | John OConnor | 15 | E91 | 8 |
| 18 | 02:22.133 | Aaron Liang | 6 | Civic | 2 |
| 19 | 02:22.230 | Anthony Dancev | 21 | WRX | 15 |
| Saturday – September 8, 2018 | |||||
| Buttonwillow Raceway (13CW) | |||||
| Ranking | Lap Time | Name | Laps | Vehicle | Fast Lap |
| 1 | 01:50.449 | Michael Calkda | 45 | Radical | 43 |
| 2 | 01:50.696 | gary Peterson | 11 | sr3 | 8 |
| 3 | 01:57.010 | Ivan Madrigal | 18 | GT3 | 8 |
| 4 | 01:57.334 | Brandon Elghanian | 34 | E92 M3 | 20 |
| 5 | 01:57.427 | Josh Shokri | 16 | GT3 | 2 |
| 6 | 01:57.604 | Frank Orozco | 28 | Atom | 7 |
| 7 | 01:58.726 | Steve Lee | 26 | M3 | 23 |
| 8 | 01:59.003 | Cory Wells | 3 | Limited FWD | 2 |
| 9 | 01:59.521 | Serge C | 17 | M3 | 11 |
| 10 | 01:59.612 | Simon Chiu | 35 | M3 | 30 |
| 11 | 02:00.543 | Terry Cho | 37 | E92 M3 | 21 |
| 12 | 02:00.588 | Arman Ajamian | 18 | G | 3 |
| 13 | 02:00.621 | James Paick | 29 | M3 | 11 |
| 14 | 02:00.653 | Janos Garaczi | 30 | Corvette Z06/Z07 | 16 |
| 15 | 02:01.512 | Robert Hernandez | 28 | GTR | 11 |
| 16 | 02:02.718 | Michael Favuzzi | 32 | 328is | 17 |
| 17 | 02:03.515 | Gagik Oganesyan | 33 | GT3 | 31 |
| 18 | 02:03.556 | Stu Clott | 29 | Miata | 19 |
| 19 | 02:03.863 | Liang Zhang | 25 | GTS | 22 |
| 20 | 02:04.015 | Chris Mcsparron | 31 | Cayman GTS | 18 |
| 21 | 02:04.139 | Aram Ara | 31 | 350Z | 23 |
| 22 | 02:04.895 | DANIEL KIM | 21 | 325is | 10 |
| 23 | 02:04.990 | Julian Mann | 6 | GT3 RS | 5 |
| 24 | 02:05.804 | James Mehl | 25 | S2000 | 15 |
| 25 | 02:06.028 | SAU TAN | 31 | GLA45 | 30 |
| 26 | 02:06.140 | Adrian Mulhall | 32 | Lancer | 32 |
| 27 | 02:06.179 | Michael Sielski | 33 | 235i | 26 |
| 28 | 02:06.749 | Feras Faraj | 22 | Corolla | 8 |
| 29 | 02:07.314 | Shuo Liu | 5 | M3 | 5 |
| 30 | 02:07.402 | Kalon Racing | 9 | — | 9 |
| 31 | 02:07.573 | Bryant Idzik | 18 | Elise | 13 |
| 32 | 02:08.694 | Joey Hallock | 20 | RX7 FD3S | 19 |
| 33 | 02:08.841 | Charles Kuhnau | 22 | S2000 | 11 |
| 34 | 02:09.140 | Sung Song | 20 | Z4m | 4 |
| 35 | 02:09.350 | Mauricio Calderon | 13 | Evo 9 | 7 |
| 36 | 02:09.561 | Hang Cheung | 33 | M4 | 22 |
| 37 | 02:10.445 | Jason Zhang | 23 | M3 | 22 |
| 38 | 02:10.523 | Fredrick Schuman | 40 | Cayman S | 7 |
| 39 | 02:11.493 | John Schaffer | 27 | S5 | 12 |
| 40 | 02:12.699 | Matt Berberi | 8 | M4 | 5 |
| 41 | 02:13.207 | Andrew Huynh | 6 | 911 | 6 |
| 42 | 02:14.281 | Masis Ambarchyan | 16 | 350z | 11 |
| 43 | 02:14.719 | KEVIN KIM | 13 | MIATA | 2 |
| 44 | 02:15.516 | Jason Krystek | 16 | MX-5 RF | 14 |
| 45 | 02:15.586 | Aaron Willits | 20 | Mustang | 15 |
| 46 | 02:15.998 | Henry Lim | 15 | S2000 | 10 |
| 47 | 02:17.265 | Andrew Call | 15 | Cayman | 7 |
| 48 | 02:17.716 | Ayk Akopyan | 23 | GT3 | 19 |
| 49 | 02:21.403 | Daekyu Lee | 7 | S2000 | 2 |
| 50 | 02:24.773 | Muneeb Hai | 11 | 1994 Miata | 6 |
| 51 | 02:26.210 | Suzanne Schuman | 38 | Carrera | 36 |
| 52 | 02:27.356 | XUYE WU | 7 | M4 | 1 |
| 53 | 02:41.768 | Andrew Huynh | 1 | 911 | 1 |
| Sunday – September 9, 2018 | |||||
| Buttonwillow Raceway (13CW) | |||||
| Ranking | Lap Time | Name | Laps | Vehicle | Fast Lap |
| 1 | 01:49.859 | Michael Calka | 28 | Radical | 23 |
| 2 | 01:54.648 | Serhan Emre | 45 | E46 M3 | 18 |
| 3 | 01:55.904 | Josh Shokri | 16 | GT3 | 4 |
| 4 | 01:59.870 | kai xing | 22 | 458 | 12 |
| 5 | 01:59.899 | Randy Chen | 23 | s2000 | 5 |
| 6 | 02:00.612 | James Mehl | 51 | S2000 | 44 |
| 7 | 02:00.653 | Ryan Fisher | 9 | GT3 | 6 |
| 8 | 02:00.823 | Jon Hume | 23 | GT-R | 11 |
| 9 | 02:00.936 | Eddie Lim | 18 | civic | 10 |
| 10 | 02:01.403 | Greg Huber | 29 | boss302 | 13 |
| 11 | 02:02.084 | Nathan K | 4 | Porsche | 4 |
| 12 | 02:02.400 | sicheng li | 12 | 458 | 3 |
| 13 | 02:03.293 | Stu Clott | 15 | Miata | 7 |
| 14 | 02:03.558 | DANIEL KIM | 11 | 325is | 5 |
| 15 | 02:03.927 | Greg Porter | 28 | Shelby GT500 | 11 |
| 16 | 02:04.117 | Jason Woan | 17 | S2000 | 14 |
| 17 | 02:04.437 | Khoa Tran | 45 | Cayman S | 39 |
| 18 | 02:05.032 | Simon Wang | 14 | M3 | 1 |
| 19 | 02:05.525 | K Racing | 10 | — | 6 |
| 20 | 02:05.594 | Leo Haury | 17 | M4 | 13 |
| 21 | 02:05.723 | Kent Koyama | 26 | Miata | 12 |
| 22 | 02:06.275 | JP Park | 14 | MMM | 12 |
| 23 | 02:06.348 | Terry Cho | 16 | E92 M3 | 10 |
| 24 | 02:08.060 | Peter Wood | 18 | M3 | 11 |
| 25 | 02:08.291 | David Jun | 35 | Miata | 8 |
| 26 | 02:08.424 | Tim Gilliam | 39 | S2000 | 15 |
| 27 | 02:09.946 | Daisuke Omi-Freeman | 19 | Z06 | 19 |
| 28 | 02:10.567 | John Lovell | 24 | M2 | 23 |
| 29 | 02:10.591 | eddy chen | 17 | M Coupe | 5 |
| 30 | 02:10.674 | David Muy | 40 | CTR | 14 |
| 31 | 02:10.886 | Derek Tantisalidchai | 34 | Civic | 16 |
| 32 | 02:11.659 | Jeffrey Naeyaert | 5 | Moto IQ | 1 |
| 33 | 02:13.375 | Tim Chen | 10 | MP4-12C | 10 |
| 34 | 02:13.708 | Edward Nichols | 36 | GT350R | 34 |
| 35 | 02:25.637 | HYUN SONG | 20 | FRS | 20 |
| 36 | 02:28.449 | vince harling | 13 | Mustang GT | 6 |