Sarasota County is celebrating the grand opening of its rebuilt and upgraded BMX track at the Sarasota County Youth Athletic Complex, 1590 N. Tuttle Ave., Sarasota, at 10 a.m., Saturday, Aug. 27. The free, family-friendly celebration will feature an opening ceremony, ribbon-cutting, BMX demonstrations, refreshments and more to mark the completion of Sarasota County's $2.4 million renovation project. The track was originally built in 1974, making it one of the oldest facilities in the nation.