Summer Nationals Seasons 2019 2019 2018 2017 2016 Summer Nationals ScheduleUpcoming2021JuneJulyAugust18AUGWEDWEDNESDAY, AUGUST 18thBUTLER MOTOR SPEEDWAY Quincy, MI EVENT INFORMATION | WATCH ON DIRTVision19AUGTHUTHURSDAY, AUGUST 19thI-96 SPEEDWAY Lake Odessa, MI EVENT INFORMATION | WATCH ON DIRTVision20AUGFRIFRIDAY, AUGUST 20thTRI-CITY MOTOR SPEEDWAY Auburn, MI EVENT INFORMATION | WATCH ON DIRTVision21AUGSATSATURDAY, AUGUST 21stMERRITT SPEEDWAY Lake City, MI EVENT INFORMATION | WATCH ON DIRTVision