| T | 1 | 96 | Jocelin Huang | 2010 Porsche GT3 | Multi | Milwauke | 143.390 |
| | | Edina, MN | PuppyMonkeyBaby | | Central | |
| T | 2 | 194 | Sharianne Ziola | 2016 Chevrolet Corvette Z0 | Multi | Detroit | 146.456 |
| | [94] | White Lake, MI | careers.gm.com | | Great Lakes | (3.066) |
| T | 3 | 83 | MacKenzi Crowe | 2018 Porsche 718 Cayman G | Bridgestone | Southern I | 148.351 |
| | | Newburgh, IN | | | Midwest | (1.895) |
| T | 4 | 176 | Kristi Brown | 2016 Porsche Cayman | Bridgestone* | Northwest | 148.442 |
| | [76] | Des Moines, WA | Solemn Cellars - Tastings Availab | | NorPac | (0.091) |
| 5 | 94 | Casey Hoffman | 2016 Chevrolet Corvette Z0 | Multi | Detroit | 150.356 |
| | [194] | Auburn Hills, MI | careers.gm.com | | Great Lakes | (1.914) |
| 6 | 76 | Wendy Gulick | 2016 Porsche Cayman GT4 | Bridgestone* | Northwest | 150.820 |
| | [176] | Bellevue, WA | | | NorPac | (0.464) |
| 7 | 191 | Julie Starr | 2017 Chevrolet Corvette Gr | Bridgestone* | Detroit | 152.069 |
| | [91] | Farmington Hills, MI | careers.gm.com | | Great Lakes | (1.249) |
| 8 | 91 | Leslie Urff | 2017 Chevrolet Corvette Gr | Bridgestone* | Detroit | 154.454 |
| | [191] | Lake Orion, MI | careers.gm.com | | Great Lakes | (2.385) |
| 9 | 18 | Becky Pearson | 2015 Porsche Cayman S | Bridgestone | Arctic Al | 155.214 |
| | | Chugiak, AK | Eight Stars Racing | | NorPac | (0.760) |
| 10 | 17 | Katie Calvert | 2017 aCURA NSX | Bridgestone | Northwest | 157.654 |
| | [78] | Ostrander, OH | | | Midwest | (2.440) |