2021 Schedule. These dates are subject to change. « All Events Sierra National – Hangtown April 20 - April 21 « DT1 MX Park Paris Race Way – Valley vs Sound Round 4 » + Google Calendar+ Add to iCalendar Details Start: April 20 End: April 21 Organizer Sierra OTHG Website: http://www.sierraothg.com/ Venue Prairie City MX (Hangtown) 13300 White Rock Road Rancho Cordova, CA 95742 United States + Google Map Website: http://prairiecitymx.com Printable Schedule – Click Here