Future Sturgis Rally Dates are:

August 5th thru 11th, 2013 (73rd Anniversary Sturgis Rally)
August 4th thru 10th, 2014 (74th Anniversary Sturgis Rally)
August 3rd thru 9th, 2015 (75th Anniversary Sturgis Rally)
August 8th thru 14th, 2016 (76th Anniversary Sturgis Rally)
August 7th thru 13th, 2017 (77th Anniversary Sturgis Rally)
August 6th thru 12th, 2018 (78th Anniversary Sturgis Rally)