| 1 | | Whelen Cadillac Racing | 1:35.372 | 40 |
| 2 | | JDC-Miller Motorsports (JDC Motorsports) | 1:35.398 | 43 |
| 3 | | BMW M Team RLL (Rahal Letterman Lanigan Racing) | 1:35.680 | 43 |
| 4 | | Cadillac Racing (Chip Ganassi Racing) | 1:35.848 | 35 |
| 5 | | Wayne Taylor Racing with Andretti (Wayne Taylor Racing) | 1:35.939 | 30 |
| 6 | | Proton Competition (Proton Racing) | 1:36.155 | 46 |
| 7 | | Porsche Penske Motorsport (Team Penske) | 1:36.204 | 35 |
| 8 | | Wayne Taylor Racing with Andretti (Wayne Taylor Racing) | 1:36.232 | 37 |
| 9 | | Porsche Penske Motorsport (Team Penske) | 1:36.395 | 30 |
| 10 | | BMW M Team RLL (Rahal Letterman Lanigan Racing) | 1:36.533 | 38 |
| 11 | | Richard Mille AF Corse (AF Corse) | 1:38.576 | 39 |
| 12 | | TDS Racing | 1:38.619 | 48 |
| 13 | | Crowdstrike Racing by APR (APR Motorsport) | 1:38.703 | 39 |
| 14 | | DragonSpeed (Dragonspeed USA) | 1:38.782 | 45 |
| 15 | | Inter Europol by PR1 Mathiasen Motorsports (PR1 Motorsports) | 1:38.969 | 39 |
| 16 | | Riley (Riley Motorsports) | 1:39.009 | 36 |
| 17 | | Era Motorsport (Era Motorsports) | 1:39.016 | 44 |
| 18 | | United Autosports USA (United Autosports) | 1:39.087 | 42 |
| 19 | | Tower Motorsports (RLR M Sport/Tower Events) | 1:39.109 | 42 |
| 20 | | MDK by High Class Racing (High Class Racing) | 1:39.395 | 48 |
| 21 | | AO Racing | 1:39.456 | 45 |
| 22 | | Sean Creech Motorsport | 1:39.542 | 43 |
| 23 | | United Autosports USA (United Autosports) | 1:39.862 | 38 |
| 24 | | Corvette Racing by Pratt Miller Motorsports (Corvette Racing) | 1:45.844 | 31 |
| 25 | | Wayne Taylor Racing with Andretti (Wayne Taylor Racing) | 1:45.986 | 37 |
| 26 | | Andretti Motorsports (Andretti Autosport) | 1:46.130 | 32 |
| 27 | | Kellymoss with Riley (Kelly-Moss Road and Race) | 1:46.323 | 30 |
| 28 | | Ford Multimatic Motorsports (Multimatic Motorsports) | 1:46.357 | 35 |
| 29 | | Proton Competition (Proton Racing) | 1:46.369 | 40 |
| 30 | | AWA | 1:46.383 | 36 |
| 31 | | AO Racing | 1:46.402 | 37 |
| 32 | | Vasser Sullivan (AIM Vasser Sullivan) | 1:46.426 | 30 |
| 33 | | Vasser Sullivan (AIM Vasser Sullivan) | 1:46.432 | 32 |
| 34 | | Inception Racing | 1:46.534 | 39 |
| 35 | | Wright Motorsports | 1:46.556 | 42 |
| 36 | | Ford Multimatic Motorsports (Multimatic Motorsports) | 1:46.576 | 38 |
| 37 | | Forte Racing | 1:46.606 | 44 |
| 38 | | Pfaff Motorsports | 1:46.617 | 29 |
| 39 | | Iron Lynx | 1:46.624 | 39 |
| 40 | | Cetilar Racing | 1:46.627 | 41 |
| 41 | | Korthoff/Preston Motorsports (Gilbert/Korthoff Motorsports) | 1:46.632 | 35 |
| 42 | | MDK Motorsports | 1:46.674 | 40 |
| 43 | | Gradient Racing | 1:46.720 | 39 |
| 44 | | Sun Energy 1 (SunEnergy1 Racing) | 1:46.727 | 39 |
| 45 | | Risi Competizione | 1:46.742 | 41 |
| 46 | | Heart of Racing Team | 1:46.758 | 36 |
| 47 | | AWA | 1:46.760 | 35 |
| 48 | | Turner Motorsport (Turner) | 1:46.765 | 30 |
| 49 | | Magnus Racing | 1:46.769 | 40 |
| 50 | | Iron Lynx | 1:46.787 | 21 |
| 51 | | Heart of Racing Team | 1:46.815 | 39 |
| 52 | | Paul Miller Racing | 1:46.851 | 36 |
| 53 | | Winward Racing | 1:46.863 | 43 |
| 54 | | AF Corse | 1:46.872 | 39 |
| 55 | | Corvette Racing by Pratt Miller Motorsports (Corvette Racing) | 1:47.074 | 12 |
| 56 | | Iron Dames (Iron Lynx) | 1:47.166 | 38 |
| 57 | | Conquest Racing | 1:47.188 | 40 |
| 58 | | Triarsi Competizione | 1:47.271 | 38 |
| 59 | | Lone Star Racing (Lone Star Motorsports) | 1:47.377 | 41 |