The 2026 Sonsio Grand Prix will be the fifth round of the 2026 IndyCar season. The race will be held on May 9, 2026, in Speedway, Indiana at the Indianapolis Motor Speedway, a 2.43-mile, 14-turn roval, and will be run for 90 laps.
The Sonsio Grand Prix, commonly called the Grand Prix of Indianapolis, is held at the Indianapolis Motor Speedway on its 14-turn infield road course. A paved track. First held in 2014, it is currently a points-paying race of the NTT IndyCar Series. The event is contested by "Indy cars", a formula of professional-level, single-seat, open cockpit, open-wheel, purpose-built race cars. The race is traditionally held before the most prestigious event of the IndyCar calendar, and one of the oldest and most important automobile races in the world, the Indianapolis 500. Previously, the old road course layout was used for the Formula One United States Grand Prix.
The first practice session will be held on May 8, 2026, at 9:05 AM ET.
The second practice session will be held on May 8, 2026, at 1:05 PM ET.
Qualifying will be held on May 8, 2026, at 5:35 PM ET.
The warmup session will be held on May 9, 2026, at 11:40 AM ET.
The race will be held on May 9, 2026, at 4:55 PM ET.