2021 Schedule. These dates are subject to change. « All Events Sierra National – Oatfield MX April 24 - April 25 « Cal City MX Park – With South American MX With South » + Google Calendar+ iCal Export Details Start: April 24 End: April 25 Organizer Sierra OTHG Website: http://www.sierraothg.com/ Venue Oatfield Mx 12801 Looney Rd Snelling, CA 95369 United States + Google Map Printable Schedule – Click Here