New Sochi track offer 3.7-mile circuit is being built within the complex that will be used for the 2014 Winter Olympics.
It scheduled to host the first ever Russian Grand Prix for 2014 Formula 1 season. Ecclestone visited the site alongside Russia's deputy Prime Minister Dmitry Kozak and members of the organizing Formula Sochi team.
"I was here even before building works started and was impressed. Now I'm happy with how things are going on," said Ecclestone.
