LOS ANGELES – FOX Sports coverage of the 17-race 2025 NTT INDYCAR SERIES season scored in a big way, averaging 1,362,000 viewers according to Nielsen Media Research, a +27% year-to-year increase from 2024 and the most-watched season in 17 years. In 2025, the NTT INDYCAR Series has recorded the most audience growth to date of any sport averaging at least a million viewers.
viewership
FOX Races to Best Milwaukee INDYCAR Viewership Since 2012
FOX Races to Best Milwaukee INDYCAR Viewership Since 2012
FOX INDYCAR Drives Viewership Increase at Laguna Seca

734,000 viewers watched Alex Palou win Sunday’s NTT INDYCAR SERIES race from WeatherTech Laguna Seca Raceway on FOX, up +829% from 79,000 viewers for last year’s Laguna Seca race that was affected by a network scheduling change.
- Up +36% vs. 538,000 viewers for the 2023 race, which aired as the season finale (9/10/23)
- Up +17% from last year’s 626,000 viewers for the 2024 non-Indy 500 race average
- Most-watched Laguna Seca race since 2021 (750,000 on 9/21/21)
- Race peaked at 884,000 viewers from 5:15-5:30 PM ET
- Through the first 14 races of the season, INDYCAR on FOX is averaging 1,486,000 viewers, up +31% over last year (1,132,000)
FS1 Races to Viewership Win at Martinsville
A strong showing for #NASCAR on @FS1 from @MartinsvilleSwy
NBC Sports’ 2024 Supermotocross Coverage Delivers Viewership Gains And Milestones
Formula 1 Season Smashes U.S. Television Viewership Records
As television viewership records fell by the wayside all year, the 2022 Formula 1 World Championship season has ended as the most-viewed ever on U.S. television, smashing a record that was set just one year ago. (more…)
ESPN Formula 1 Viewership Surge Continues with Saudi Arabian Grand Prix
One week after a record-setting audience watched the 2022 Formula 1 World Championship season opener on ESPN, the viewership for Sunday’s live telecast of the Saudi Arabian Grand Prix surpassed the week-old record as ESPN’s largest F1 audience since 1995 and the largest on any ESPN network since it returned to the sport in 2018. (more…)
Record Television Viewership Starts Formula 1 Season on ESPN
The 2022 season for the Formula 1 World Championship on ESPN networks kicked off with a record audience watching the Formula 1 Bahrain Grand Prix on Sunday. (more…)




