Reminder: Supercross is Live Tonight on SPEED February 19, 2011 11:55am Home Breaking News Reminder: Supercross is Live Tonight on SPEED San Diego, CA San DiegoMonster Energy AMA Supercross Championship Round 7 of Monster Energy Supercross will be airing LIVE tonight on SPEED at 10:30pmEST. Be sure to stay tuned to Racer X Online for all your pre-race coverage.