St Petersburg
| Pos | Num | Name | Team | Diff | Gap |
| 1 | 26 | Colton Herta | Andretti Autosport | 100 laps | |
| 2 | 2 | Josef Newgarden | Team Penske | 2.4933 | 2.4933 |
| 3 | 22 | Simon Pagenaud | Team Penske | 6.1496 | 3.6563 |
| 4 | 60 | Jack Harvey | Meyer Shank Racing | 8.0833 | 1.9337 |
| 5 | 9 | Scott Dixon | Chip Ganassi Racing | 8.9497 | 0.8664 |
| 6 | 30 | Takuma Sato | Rahal Letterman Lanigan Racing | 11.6802 | 2.7305 |
| 7 | 8 | Marcus Ericsson | Chip Ganassi Racing | 11.9393 | 0.2591 |
| 8 | 12 | Will Power | Team Penske | 13.2363 | 1.297 |
| 9 | 21 | Rinus VeeKay | Ed Carpenter Racing | 13.7194 | 0.4831 |
| 10 | 14 | Sebastien Bourdais | AJ Foyt Enterprises | 15.9951 | 2.2757 |
| 11 | 3 | Scott McLaughlin | Team Penske | 17.5926 | 1.5975 |
| 12 | 7 | Felix Rosenqvist | Arrow McLaren SP | 18.5638 | 0.9712 |
| 13 | 51 | Romain Grosjean | Dale Coyne Racing w/Rick Ware Racing | 22.7276 | 4.1638 |
| 14 | 28 | Ryan Hunter-Reay | Andretti Autosport | 24.1275 | 1.3999 |
| 15 | 15 | Graham Rahal | Rahal Letterman Lanigan Racing | 24.7928 | 0.6653 |
| 16 | 20 | Conor Daly | Ed Carpenter Racing | 48.1603 | 23.3675 |
| 17 | 10 | Alex Palou | Chip Ganassi Racing | 1 lap | 16.322 |
| 18 | 29 | James Hinchcliffe | Andretti Steinbrenner Autosport | 1 lap | 27.416 |
| 19 | 5 | Pato O’Ward | Arrow McLaren SP | 1 lap | 4.0486 |
| 20 | 18 | Ed Jones | Dale Coyne Racing w/ Vasser Sullivan | 1 lap | 15.6796 |
| 21 | 27 | Alexander Rossi | Andretti Autosport | 2 laps | 45.0157 |
| 22 | 48 | Jimmie Johnson | Chip Ganassi Racing | 5 laps | |
| 23 | 4 | Dalton Kellett | AJ Foyt Enterprises | 67 laps | |
| 24 | 59 | Max Chilton | Carlin | 18 Laps |