The 104th Running of the Indianapolis 500 on Sunday from Indianapolis was seen by 3.737 million viewers.
The ratings make the race NBC Sports’ second-most watched running on record and NBC’s second-most watched sports event since January.
Sunday’s race was the first-ever Indy 500 to take place in August, following 103 runnings in May, and the first “Greatest Spectacle in Racing” to run without spectators.
Rahal Letterman Lanigan Racing’s Takuma Sato won his second Indy 500 under caution following a late-race duel with Chip Ganassi Racing’s Scott Dixon.
Ratings Highlights
♦ The TAD of 3.737 million viewers is NBC Sports’ second-most watched INDYCAR race on record behind only last year’s Indy 500 — the first ever on NBC — which averaged a TAD of 5.489 million viewers and was up 11% vs. the 2018 race on ABC (4.913 million TV-only). Last year’s race did not face any significant sports competition.
♦ TV-only coverage of the race peaked at 4.641 million TV-only viewers towards for the race’s conclusion (5:30-5:45 pm ET).
♦ Sunday’s race is NBC Sports’ second-most watched sporting event since an NFL Divisional Playoff game on Jan. 11 (Min-SF, 30.2 million).
♦ The 104th Indianapolis 500 is also the most-watched motorsports race to take place in August in three years, since a NASCAR Cup Series race at Bristol (2017, 3.838 million). It delivered a 2.29 household rating.
♦ Across NBC Sports streaming platforms, the 104th Indianapolis 500 averaged an Average Minute Audience (AMA) of 17,800 viewers, making it the second-most streamed INDYCAR race on record, behind only last year’s Indy 500 in May (45,600).
♦ Indianapolis delivered a local rating of 24.9 to lead all markets.
Top 10 Local Markets
| Rank | Market | HH Rating |
| 1 | Indianapolis | 24.9 |
| t2 | Cincinnati | 4.1 |
| t2 | Columbus, Ohio | 4.1 |
| t2 | Las Vegas | 4.1 |
| 5 | Nashville | 3.8 |
| 6 | Hartford-New Haven | 3.7 |
| t7 | Milwaukee | 3.6 |
| t7 | West Palm Beach | 3.6 |
| t9 | Sacramento-Stockton | 3.3 |
| t9 | Tampa-St. Petersburg | 3.3 |
Fast National Data from Nielsen and digital data from Adobe Analytics.