Mario Andretti, Rick Mears and Al Unser would be a more promising investment. The IndyCar race proved to be a mainstay and is still being run. It is one of the most popular and well-attended races on that calendar. Part of the interior of the circuit is the 13,600 seat Long Beach Convention Center which also doubled as the pit paddock for the Formula One teams when in Long Beach. Continued absence In 2013, there was some media speculation that Formula One could replace IndyCar at Long Beach in 2016, as IndyCar's contract with the City of Long Beach was to expire in 2015 and Formula One boss Bernie Ecclestone had expressed interest in having his series return to the highly populated Los Angeles metropolitan area. However, on April 1, 2014, the Long Beach City Council informed the race's organizer that the IndyCar Series had been granted a three-year extension, through the 2018 season. Winners of the United States Grand Prix West See also Grand Prix of Long Beach Repeat winners (constructors) Constructors in bold are competing in the Formula One championship in the current season. Repeat winners (engine manufacturers) Manufacturers in bold are competing in the Formula One championship in the current season. * Built by Cosworth, engine program funded by Ford By year All races were held on the same circuit on various layouts. See also United States Grand Prix Detroit Grand Prix Dallas Grand Prix Caesars Palace Grand Prix Grand Prix of America References Formula One Grands Prix Recurring sporting events established in 1976 Recurring sporting events disestablished in 1983