Commercial breakdown for the Sony HD 500 race: from cawsnjaws.com:
Total number of commercials: 151
Total number of companies or entities advertised: 81
Start time to record race/commercial periods: 7:54pm/et
End time to record race/commercial periods: 11:58pm/et
Total minutes: 244
Minutes of race broadcast: 171
Minutes of commercials: 73
(see full article at CawsnJaws.com), so that is about 12 minutes of commercials in 30minutes, regular TV shows do about 10 minutes of commercials.


to compare commerical time in certain programs go to cawsnjaws.com to see the full articel and break down.