The Brief Washington, D.C. is not included in INDYCAR’s 2026 race schedule. The 17-race season features stops in Phoenix, Detroit, and Nashville. Washington, D.C. won’t be part of the 2026 NTT INDYCAR SERIES season, as the newly released 17-race schedule leaves the nation’s capital off the calendar. Announced Tuesday, the lineup features stops in Phoenix, Detroit, Nashville, and the return of the iconic Indianapolis 500, now in its 110th running. The 2026 season kicks off March 1 on the streets of St. Petersburg and wraps up September 6 at WeatherTech Raceway Laguna Seca.