Stock car races in the NASCAR Cup Series have been held at the Pocono Raceway in Long Pond, Pennsylvania since 1974.In 1982, NASCAR added a second date to the schedule at Pocono for early June, replacing a 400-mile (640 km) race at Texas World Speedway.In 2008, Sunoco, the official NASCAR fuel supplier, based in Pennsylvania, and the Philadelphia region of the American Red Cross, agreed to sponsorship of the race and charity events to benefit the American Red Cross South Pennsylvania-Philadelphia region.The Bowling Proprietors' Association of America, through its marketing arm Strike Ten Entertainment, signed on as the entitlement sponsor for the 2013 and 2014 races.In 2015, Microsoft signed a one-year deal to title the event with its new Windows 10 update, and in 2016 the race returned as the Pennsylvania 400.