NBC Sports has enjoyed its most watched start and NTT IndyCar Series season ever with viewership up 30 percent on the same period last last season.

Last weekend’s Honda Indy 200 at the Mid-Ohio Sportscar Course presented by HPD Ridgeline was the most watched race outside of the Indianapolis 500, averaging 1.3 million viewers.

NBC Sports is off to its most-watched NTT INDYCAR Series season ever in 2021 – delivering its most-watched races ever on NBC and numerous viewership milestones on NBCSN.

Through nine races (6 NBC, 3 NBCSN), the 2021 NTT INDYCAR Series has produced a Total Audience Delivery (TAD) of 1.582 million viewers, marking NBC Sports’ most-watched start to an INDYCAR season ever, and up 30% vs. last year’s comparable coverage (1.213 million).

Additional viewership records and milestones for the 2021 NTT INDYCAR SERIES on NBC and NBCSN:


Last weekend’s Honda Indy 200 at Mid-Ohio on July 4 on NBC averaged a TAD of 1.303 million viewers, marking NBC’s most-watched INDYCAR race ever, excluding the Indianapolis 500, and the most-watched Mid-Ohio race since 2008;

Mid-Ohio supplanted the season-opening race on the Streets of St. Petersburg, which averaged 1.225 million viewers to rank as the most-watched afternoon race on NBC to that point, and was the most-watched Grand Prix of St. Petersburg since 2016;

This year’s Indianapolis 500 on NBC drew a TAD of 5.581 million viewers to rank as NBC Sports’ most-watched INDYCAR race ever and the most-watched Indy 500 since 2016;

The REV Group Grand Prix at Road America on June 20 on NBCSN averaged a TAD of 807,000 viewers to rank as NBCSN’s third most-watched INDYCAR race on record and the most-watched on cable since 2016.

Through three races, the 2021 NTT INDYCAR Series on NBCSN has produced a TAD of 530,000 viewers, up 59% vs. 2020 and up 38% vs. 2019, to rank as the network’s best-ever start to an INDYCAR season.

Following are the Top 10 markets for the NTT INDYCAR SERIES on NBC and NBCSN through nine races in 2021:


Rank Market HH Rating
1 Indianapolis 5.96
2 Dayton, OH 2.22
3 Cincinnati 2.19
4 Knoxville 2.07
T-5 Fort Myers 2.05
T-5 Columbus, OH 2.05
7 Louisville 1.98
8 Greenville 1.68
9 Nashville 1.55
10 Sacramento 1.53

NBC Sports’ coverage of the NTT INDYCAR SERIES returns on Sunday, August 8, at 5:30 p.m. ET on NBCSN, with the inaugural running of the Music City Grand Prix on the streets of Nashville, Tenn.

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