Watch San Diego 1 PETCO Park Race Live on Jan. 16 Jan, 2016. The San Diego 1 Supercross 2016 Race will start at 10:00 p.m. local time at location of PETCO Park, San Diego. Monster Energy Supercross races are back in 2016 for the biggest Supercross Races of this season to entertain fans. San Diego 1 Supercross is one of the biggest races of the Current Monster Energy Supercross racing season. Millions of people come to see the fastest drivers competing for the Supercross Championship making this the biggest motorsports event in the United States.