Most-watched IndyCar telecasts of the 2020s
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.
28
eligible telecasts
updated 2026-10-30
Most-watched IndyCar telecasts of the 2020s
1
Indianapolis 500
7,050,000
2
Indianapolis 500
5,550,000
3
Indianapolis 500
5,020,000
4
Indianapolis 500
4,720,000
5
Indianapolis 500
4,620,000
6
Indianapolis 500
3,670,000
7
Freedom 250 Grand Prix of Washington, D.C.
3,280,000
8
IndyCar Road America
1,803,000
9
IndyCar Nashville
1,690,000
10
Indianapolis 500
1,590,000
11
IndyCar St. Petersburg
1,420,000
12
Firestone Grand Prix of St. Petersburg
1,410,000
13
IndyCar Arlington
1,336,000
14
IndyCar Mid-Ohio
1,300,000
15
IndyCar Texas
1,280,000
16
IndyCar Phoenix
1,247,000
17
Firestone Grand Prix of St. Petersburg
1,220,000
18
IndyCar St. Petersburg
1,190,000
19
IndyCar Nashville
1,142,000
20
IndyCar Nashville
1,110,000
21
IndyCar Long Beach
1,060,000
22
Chevrolet Detroit Grand Prix
1,050,000
23
IndyCar Long Beach
1,030,000
24
IndyCar Milwaukee Mile
950,000
25
IndyCar Markham
913,000
26
Grand Prix of Portland
806,000
27
Firestone Grand Prix of St. Petersburg
671,000
28
Firestone Grand Prix of Monterey
538,000
28 eligible telecasts · computed 2026-10-30 22:00 UTC
Rows span 3 Nielsen eras (Before Out-of-Home, Panel + Out-of-Home, Big Data + Panel); figures from different eras are not directly comparable. Each row carries its era.