2016 IndyCar Schedule.
With the 2015 season nearly over, no race schedule has been finalised for 2016. However, the oraganiser's for St. Pete's, Green Savoree Racing Promotions, have announced March 11-13, 2016 as the weekend for next year's race.
http://www.indycar.com/News/2015/08/...-set-for-March