FOX Sports Wraps Inaugural NTT INDYCAR SERIES Season With Largest Viewership Growth of Any Sport
Network Draws Major Audience Spikes with Coveted Younger Demographics; A Key to Continued Growth
Season Highlights Include 109th Running of the Indianapolis 500 Netting Best Viewership in 17 Years at 7,088,000 Viewers
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.
Sunday’s season finale from Nashville delivered 1,142,000 viewers, up +136% from last year’s event and the most-watched Nashville race since 2021.
“In a season loaded with both massive successes and key learnings, we couldn’t be more excited about the potential we see in the FOX INDYCAR relationship as we close out the 2025 season together,” said Eric Shanks, FOX Sports CEO and Executive Producer. “Expanding on our connection with INDYCAR for next year and beyond, projects already are well underway to keep this momentum going at full speed.”
“In partnership with FOX Sports, our viewership growth curve is the most impressive in all of sports,” said Mark Miles, President & CEO of Penske Entertainment. “We’re incredibly pleased with the first year of this relationship and know we can kick things into an even higher gear moving forward.”
Key 2025 FOX INDYCAR season highlights:
- FOX/FS1 NTT INDYCAR SERIES averaged 1,362,000 this season, a +27% increase from 2024 and the most since the 2008 post-merger season
- Most 2025 audience growth (+27%) for any sport averaging at least a million viewers
- Massive lift in coveted P18-34 (+81%) and P18-49 (+51%) demographics; the season also saw huge increases with women viewers – F18-34 (+72%) and F18-49 (+30%)
- 109th Running of the Indianapolis 500 delivered in grand fashion, bringing in 7,088,000 viewers, a +41% increase over 2024 (5,024,000), making it the most-watched Indy 500 in 17 years
- Season-opening Firestone Grand Prix of St. Petersburg delivered 1,418,000 viewers, a 14-year high and a +45% increase over the previous year
- Season finale from Nashville netted 1,142,000 viewers, a +136% increase from 2024
