2021 Schedule. These dates are subject to change. « All Events Sierra National – Oatfield April 12, 2025 - April 13, 2025 « Sierra Warm Up – Oatfield Cal City MX – Valley vs Sound – Round 3 » + Google Calendar+ Add to iCalendar Details Start: April 12, 2025 End: April 13, 2025 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