Chevrolet Detroit Grand Prix-NTT INDYCAR SERIES - Practice 1
| POS | FAHRER | TIME | GAP | BEST SPEED |
|---|---|---|---|---|
| 1 |  A. PALOU  Chip Ganassi Racing | 01:02.7722 | - | 94.341 |
| 2 |  K. KIRKWOOD Andretti Global w/ Curb-Agajanian | 01:02.7914 | +0.0192 | 94.312 |
| 3 |  W. POWER  Andretti Global | 01:02.9433 | +0.1519 | 94.085 |
| 4 |  M. ARMSTRONG Meyer Shank w/ Curb-Agajanian | 01:03.1743 | +0.2310 | 93.741 |
| 5 |  P. O'WARD  Arrow McLaren | 01:03.1825 | +0.0082 | 93.728 |
| 6 |  D. MALUKAS  Team Penske | 01:03.2111 | +0.0286 | 93.686 |
| 7 |  C. LUNDGAARD Arrow McLaren | 01:03.2390 | +0.0279 | 93.645 |
| 8 |  R. VEEKAY  Juncos Hollinger Racing | 01:03.2580 | +0.0190 | 93.617 |
| 9 |  S. MCLAUGHLIN Team Penske | 01:03.2834 | +0.0254 | 93.579 |
| 10 |  M. ERICSSON Andretti Global | 01:03.3684 | +0.0549 | 93.454 |
| 11 |  F. ROSENQVIST Meyer Shank w/ Curb-Agajanian | 01:03.4064 | +0.0380 | 93.398 |
| 12 |  S. DIXON Chip Ganassi Racing | 01:03.4245 | +0.0181 | 93.371 |
| 13 |  A. ROSSI ECR | 01:03.4731 | +0.0486 | 93.299 |
| 14 |  L. FOSTER  Rahal Letterman Lanigan Racing | 01:03.7806 | +0.2397 | 92.850 |
| 15 |  G. RAHAL Rahal Letterman Lanigan Racing | 01:03.7927 | +0.0121 | 92.832 |
| 16 |  S. FERRUCCI  A.J. Foyt Enterprises | 01:03.9577 | +0.1650 | 92.592 |
| 17 |  C. RASMUSSEN ECR | 01:03.9959 | +0.0382 | 92.537 |
| 18 |  K. SIMPSON Chip Ganassi Racing | 01:04.0351 | +0.0392 | 92.481 |
| 19 |  D. HAUGER  Dale Coyne Racing | 01:04.1735 | +0.1384 | 92.281 |
| 20 |  N. SIEGEL Arrow McLaren | 01:04.1765 | +0.0030 | 92.277 |
| 21 |  J. NEWGARDEN Team Penske | 01:04.3734 | +0.1969 | 91.995 |
| 22 |  R. GROSJEAN Dale Coyne Racing | 01:04.4801 | +0.1067 | 91.842 |
| 23 |  M. SCHUMACHER Rahal Letterman Lanigan Racing | 01:04.7297 | +0.2496 | 91.488 |
| 24 |  C. COLLET A.J. Foyt Enterprises | 01:04.7304 | +0.0007 | 91.487 |
| 25 |  S. ROBB Juncos Hollinger Racing | 01:04.8760 | +0.1456 | 91.282 |