IndyCar 2018 Grand Prix of Indianapolis
| Cla | # | Piloto | Equipe | Voltas | Tempo | Diferença | Intervalo | Mph |
|---|---|---|---|---|---|---|---|---|
| 1 | 6 |  Robert Wickens | Schmidt Peterson Motorsports | 5 | 1'09.521 | 126.298 | ||
| 2 | 5 | James Hinchcliffe | Schmidt Peterson Motorsports | 6 | 1'09.824 | 0.302 | 0.302 | 125.750 |
| 3 | 21 | Spencer Pigot | Ed Carpenter Racing | 6 | 1'09.864 | 0.343 | 0.040 | 125.677 |
| 4 | 20 |  Jordan King | Ed Carpenter Racing | 3 | 1'09.873 | 0.352 | 0.008 | 125.661 |
| 5 | 1 | Josef Newgarden | Team Penske | 6 | 1'10.076 | 0.555 | 0.203 | 125.297 |
| 6 | 3 |  Helio Castroneves | Team Penske | 5 | 1'10.082 | 0.561 | 0.005 | 125.287 |
| 7 | 28 | Ryan Hunter-Reay | Andretti Autosport | 6 | 1'10.098 | 0.577 | 0.016 | 125.258 |
| 8 | 10 |  Ed Jones | Chip Ganassi Racing | 6 | 1'10.285 | 0.764 | 0.187 | 124.924 |
| 9 | 15 | Graham Rahal | Rahal Letterman Lanigan Racing | 6 | 1'10.360 | 0.839 | 0.074 | 124.792 |
| 10 | 19 | Zachary Claman DeMelo | Dale Coyne Racing | 6 | 1'10.506 | 0.984 | 0.145 | 124.533 |
| 11 | 4 | Matheus Leist | A.J. Foyt Enterprises | 6 | 1'10.642 | 1.121 | 0.136 | 124.293 |
| 12 | 23 | Charlie Kimball | Carlin | 6 | 1'10.778 | 1.256 | 0.135 | 124.055 |