| T | 1 | 70 | Dan Simms | 2009 Chevrolet Corvette Z0 | Yokohama | Chicago | 108.830 |
| | | Villa Park, IL | BDR Worldwide | JXB Performa | | Central | |
| T | 2 | 90 | William Damhoff | 2003 Chevrolet Corvette Z0 | Yokohama | Chicago | 108.984 |
| | | New Lenox, IL | BOR!!!!!! Racing | BDR | JXB Pe | | Midwest | (0.154) |
| T | 3 | 195 | Greg Janulis | 2014 Porsche Cayman S | Bridgestone | Milwauke | 109.132 |
| | [95] | Bolingbrook, IL | | | Central | (0.148) |
| 4 | 81 | Mark Lopotko | 2016 Chevrolet Corvette | Falken | Chicago | 113.074 |
| | | Lisle, IL | FancyDiff | | Central | (3.942) |
| 5 | 79 | Brian McGreevy | 2005 Porsche 911 Carrera S | Yokohama | Chicago | 113.117 |
| | | Naperville, IL | Bmac Vehicle Kinematics | | Midwest | (0.043) |
| 6 | 29 | Matthew Partain | 2002 Chevrolet Corvette Z0 | Falken | Texas | 115.110 |
| | | | Sunnyvale, Tx | | Central | (1.993) |
| 7 | 24 | Andrew Stein | 2013 Porsche Boxster S | Bridgestone | Chicago | 115.550 |
| | | Elgin, IL | NRS Motor Kombat Team | | Midwest | (0.440) |
| 8 | 75 | Bill Myers | 2003 Chevrolet Corvette Z0 | Falken | Chicago | 117.529 |
| | | Buffalo Grove, IL | BHSCJ Racing | | Central | (1.979) |
| 9 | 95 | Jeff Janulis | 2014 Porsche Cayman S | Bridgestone | Chicago | 118.334 |
| M | | [195] | Downers Grove, IL | | | Central | (0.805) |