2025 Sonsio Grand Prix
The 2025 Sonsio Grand Prix was the fifth round of the 2025 IndyCar season. The race was held on May 10, 2025, in Speedway, Indiana at the Indianapolis Motor Speedway Road Course. The race was contested of 85 laps. Álex Palou won the race, Pato O'Ward finished 2nd, and Will Power finished 3rd. Scott McLaughlin and Scott Dixon rounded out the top five, while Graham Rahal, Marcus Armstrong, Kyle Kirkwood, Rinus VeeKay, and Felix Rosenqvist rounded out the top ten.
Entry list
| Key | Meaning |
| ' | Rookie |
| ' | Past winner |
| Driver | Team | Engine | |
| 2 |  Color box|gold|W|border=silverQualifyingQualifying was held at 4:30 PM ET on May 9, 2025.Qualifying classification; NotesBold text indicates fastest time.RaceThe race was held at 4:30 PM ET on May 10, 2025.Championship standings after the race;Drivers' Championship standings;Engine manufacturer standingsNote: Only the top five positions are included. |