Brett Larner has the details.
The race average 17.3 million viewers over 2 days. Remember, the race takes more than 10.5 hours to run. Unreal.
It's estimated that overall 56.2 million different people watched it at some point.
To put that in perspective, Game 7 of the World Series in Japan averaged 10.55 million viewers and a total of 21.91 million people watching for at least one minute. In the US, World Series
Sportsnet says that about 18.5 million Canadians watched some or all of Game 7. Fox says that its U.S. viewership peaked at ~33 million.

