- [Adam Stern] Motorsports viewership in America last weekend: 1) NASCAR Cup: 4.003 million viewers 2) Formula 1: 1.353 million 3) IndyCar: 954,000. However, F1 nearly matched NASCAR in the 18-49 demographic, with NASCAR earning 716,000 viewers in that category and F1 getting 656,000. https://twitter.com/A_S12/status/1506273428873129984?s=20&t=2MvHCVZQUWPAew3ufpyEpA 185 comments formula1