Desert Diamond Phoenix Grand Prix
ISM Raceway
1.022 Mile Paved Oval
250 Laps/255.5 Miles
April 7, 2018
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 7 | Josef Newgarden | 1 | Verizon | Dallara UAK 18 | Chevy | 250 | 1:44:00.3552 147.395 | 51 |
| 2 | 6 | Robert Wickens | 6 | Lucas Oil | Dallara UAK 18 | Honda | 250 | 1:44:03.3498 147.325 | 41 |
| 3 | 4 | Alexander Rossi | 27 | MilitaryMotorsports.com | Dallara UAK 18 | Honda | 250 | 1:44:03.8442 147.313 | 36 |
| 4 | 17 | Scott Dixon | 9 | PNC Bank | Dallara UAK 18 | Honda | 250 | 1:44:04.1727 147.305 | 32 |
| 5 | 8 | Ryan Hunter-Reay | 28 | DHL | Dallara UAK 18 | Honda | 250 | 1:44:04.3674 147.301 | 31 |
| 6 | 5 | James Hinchcliffe | 5 | Arrow Electronics/Lucas Oil | Dallara UAK 18 | Honda | 250 | 1:44:09.8049 147.173 | 29 |
| 7 | 18 | Ed Carpenter | 20 | Fuzzy's Ultra Premium Vodka | Dallara UAK 18 | Chevy | 250 | 1:44:09.8283 147.172 | 26 |
| 8 | 9 | Tony Kanaan | 14 | ABC Supply | Dallara UAK 18 | Chevy | 250 | 1:44:10.2202 147.163 | 24 |
| 9 | 12 | Graham Rahal | 15 | One Cure | Dallara UAK 18 | Honda | 250 | 1:44:10.5299 147.156 | 23 |
| 10 | 2 | Simon Pagenaud | 22 | Menards | Dallara UAK 18 | Chevy | 250 | 1:44:10.6799 147.152 | 21 |
| 11 | 13 | Takuma Sato | 30 | Panasonic/Mi-Jack | Dallara UAK 18 | Honda | 250 | 1:44:11.2995 147.137 | 19 |
| 12 | 20 | Marco Andretti | 98 | Oberto Beef Jerky | Dallara UAK 18 | Honda | 249 | Flagged | 18 |
| 13 | 1 | Sébastien Bourdais | 18 | SealMaster | Dallara UAK 18 | Honda | 249 | Flagged | 19 |
| 14 | 15 | Spencer Pigot | 21 | Fuzzy's Ultra Premium Vodka | Dallara UAK 18 | Chevy | 249 | Flagged | 16 |
| 15 | 19 | Gabby Chaves | 88 | Harding Group | Dallara UAK 18 | Chevy | 249 | Flagged | 15 |
| 16 | 23 | Zach Veach | 26 | Group One Thousand One | Dallara UAK 18 | Honda | 249 | Flagged | 14 |
| 17 | 22 | Charlie Kimball | 23 | Tresiba | Dallara UAK 18 | Chevy | 248 | Flagged | 13 |
| 18 | 21 | Max Chilton | 59 | Gallagher | Dallara UAK 18 | Chevy | 247 | Flagged | 12 |
| 19 | 16 | Matheus Leist | 4 | ABC Supply | Dallara UAK 18 | Chevy | 241 | Flagged | 11 |
| 20 | 11 | Ed Jones | 10 | NTT DATA | Dallara UAK 18 | Honda | 228 | Wrecked | 10 |
| 21 | 14 | Kyle Kaiser | 32 | Juncos Racing | Dallara UAK 18 | Chevy | 174 | Contact | 9 |
| 22 | 3 | Will Power | 12 | Verizon | Dallara UAK 18 | Chevy | 153 | Contact | 11 |
| 23 | 10 | Pietro Fittipaldi | 19 | Paysafe/Embratel/Claro | Dallara UAK 18 | Honda | 40 | Wrecked | 7 |
| Lap Leaders | Total | Laps |
| Will Power | 80 | 44-123 |
| Sébastien Bourdais | 60 | 1-43, 189-205 |
| Robert Wickens | 44 | 149-177, 232-246 |
| Josef Newgarden | 30 | 206-231, 247-250 |
| James Hinchcliffe | 20 | 129-148 |
| Graham Rahal | 7 | 124-128, 186-187 |
| Ryan Hunter-Reay | 5 | 178-182 |
| Simon Pagenaud | 3 | 183-185 |
| Alexander Rossi | 1 | 188 |