9 a.m. bike registration, helmet fitting, music and activities. 9:30 a.m. warm-up stretches and exercise. 10 a.m. official ceremony and ribbon cutting. Join the celebration, ride, walk or run the completion of the Pinellas Trail into downtown St. Petersburg. The event will start at the trestle bridge at the northwest corner of Tropicana Field and continue to Pioneer Park. 727-892-5328.