Spearfish Sports Academy Closed Posted on: July 11, 2018 by: Lexie Cathcart Calendar When: December 23, 2018 – January 1, 2019 all-day 2018-12-23T00:00:00-07:00 2019-01-02T00:00:00-07:00 Spearfish Academy Closed Spearfish Sports Academy will be closed for Christmas and New Years. All Classes will resume on Wednesday, January 2nd.