The San Diego Thunder next team practice will be on Wednesday, July 1, 2015 from 7:30 pm - 10:00 pm @ the SportsPlex USA in Santee, CA. The address: 9951 Riverwalk Dr, Santee, CA. 92071. The practice field is located in the rear of the SportsPlex. Our first team practice of this year was a success. "The San Diego Thunder is a different organization this year, but the tempo will be a lot faster"