Most-watched NASCAR telecasts, March 2021
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.
4
eligible telecasts
updated 2026-09-15
Most-watched NASCAR telecasts, March 2021
1
Pennzoil 400 presented by Jiffy Lube
4,360,000
2
Instacart 500
3,860,000
3
Folds of Honor QuikTrip 500
3,720,000
4
Food City Dirt Race
3,110,000
4 eligible telecasts · computed 2026-09-15 09:41 UTC