- Race Day: January 28, 2012
- City: Oakland
- Country: U.S.A.
- Honda Riders Reed and Tomac Lead Points Chase After Round Four
- GEICO Honda's Eli Tomac won the Lites class for a second week in a row, and in the Supercross final, TwoTwo Motorsports rider Chad Reed also was on the podium, at Round 4 of the Monster Energy AMA Supercross.