Most-watched IndyCar telecasts of 2026
Nielsen average audience, one figure per telecast; a final or revised figure replaces a preliminary one. Composites, peaks, reach and self-reported figures do not chart.
7
eligible telecasts
updated 2026-09-15
Most-watched IndyCar telecasts of 2026
1
Indianapolis 500
6,635,000
2
Freedom 250 Grand Prix of Washington, D.C.
3,280,000
3
IndyCar Road America
1,803,000
4
IndyCar Arlington
1,336,000
5
IndyCar Phoenix
1,247,000
6
IndyCar Milwaukee Mile
950,000
7
IndyCar Markham
913,000
7 eligible telecasts · computed 2026-09-15 10:24 UTC