NASA Race at Thunderhill Saturday, April 14, 2018 1:30 PM 13:30 Sunday, April 15, 2018 2:30 PM 14:30 Thunderhill Raceway 5250 California 162 Willows, CA, 95988 United States (map) Google Calendar ICS Posted in Motorsports Tagged nasa, st4, thunderhill, thunderhill raceway, tom tang, s2000