Live coverage of the three-week-long race is up 18% to Nielsen 336,000 viewers through the same period of a year ago when it was at 284,000 viewers. This year’s event has also seen the best ratings in five years since Lance Armstrong rode his last Tour de France race in 2010.
Key adult 18-49 viewers have also climbed 18%, to 105,000 viewership against 89,000. San Francisco leads local market ratings for the Tour de France on NBCSN.
This year, another U.S. rider, Tejay van Garderen (BMC Racing Team), has helped boost viewership. He is in third place, a little over three minutes behind U.K. cyclist Chris Froome (Team Sky), who leads the race.
NBCSN app, NBC Sports Live Extra, has seen increase of 42% in streaming to 38 million minutes versus that of 2014. This includes 129,000 users who streamed live race action -- up 61% from a year ago. Nearly two million video highlights of the 2015 Tour have been watched.
Purchases of NBC Sports Tour de France Live -- two premium-subscription products, one for desktop ($19.99) and one for mobile and tablet ($9.99) -- has grown 21% in subscribers.