Overview

• The 2026 campaign opens March 1 on the Streets of St. Petersburg and concludes with a doubleheader at WeatherTech Raceway Laguna Seca on September 5–6.
• March features a record-tying four races, highlighted by the inaugural Streets of Arlington event on March 15 and a Barber Motorsports Park doubleheader on March 28–29.
• Five doubleheader weekends are confirmed: Barber, Indianapolis Motor Speedway road course (May 8–9), Road America (June 20–21), Mid-Ohio (July 4–5) and Laguna Seca (September 5–6).
• All U.S. events, including practice and qualifying, will air on FS1 or FS2, with international live coverage on INDYCAR LIVE; detailed network assignments and times will follow.
• Toronto and Iowa Speedway are not on the 2026 slate, with Toronto’s street circuit unavailable during World Cup activity according to reporting.