KDI Office Technology 200; Dover International Speedway; August 21, 2020 DBP_DVR_200821_-25web DBP_DVR_200821_-51web DBP_DVR_200821_-57web DBP_DVR_200821_0056web DBP_DVR_200821_0146web DBP_DVR_200821_0326web DBP_DVR_200821_0376web DBP_DVR_200821_0427web DBP_DVR_200821_0651web DBP_DVR_200821_1787web DBP_DVR_200821_1796web DBP_DVR_200821_8610web DBP_DVR_200821_8698web DBP_DVR_200821_9794web DBP_DVR_200821_9797web DBP_DVR_200821_9927web