The national TV audience for the Grand Prix of Baltimore declined by about a fifth from last year's inaugural event, according to Nielsen Media data released Friday.
Last year, a total of about 1.35 million viewers watched telecasts of Labor Day weekend racing in Baltimore on NBC's Versus cable channel and the ABC network.
This year, the number of viewers was about 1.07 million on the NBC Sports Network channel and ABC, representing a 21 percent drop. (Versus was renamed NBC Sports Network channel in January by the Comcast-owned broadcast company.)
"In 2010, zero people watched hours of national broadcasts that exclusively featured downtown Baltimore on Labor Day...