The Charts · Most-watched IndyCar telecasts of all time

Most-watched IndyCar telecasts of 2025

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.

eligible telecasts

updated 2026-10-30

Most-watched IndyCar telecasts of 2025

Indianapolis 500

2025-05-25 · FOX · IndyCar · Panel + Out-of-Home

7,050,000

final · Awful Announcing

IndyCar St. Petersburg

2025-03-02 · FOX · IndyCar · Panel + Out-of-Home

1,420,000

final · Awful Announcing

IndyCar Nashville

2025-08-31 · IndyCar · Big Data + Panel

1,142,000

final · FOX Sports

3 eligible telecasts · computed 2026-10-30 22:01 UTC

Rows span 2 Nielsen eras (Panel + Out-of-Home, Big Data + Panel); figures from different eras are not directly comparable. Each row carries its era.