 On the same day, San Francisco 2016 issued a press release announcing the design of a new stadium for both the 49ers and the Olympics/Paralympics.The design involves conversion of the football stadium to one including a 400-meter track by elevating the playing field, and also includes provision for expanded seating capacity for events such as the Olympics and Super Bowl.On November 9, 2006, the San Francisco 49ers ended negotiations with the city of San Francisco for the development of a new football stadium that would also be used as the centerpiece of the 2016 Olympics.