Popow won the 2012 12 Hours of Sebring in his American Le Mans Series debut, teaming with Burt Frisselle and E. J. Viso in a CORE autosport Oreca FLM09 Prototype Challenge car [REF].
Four races into the 2012 season, Popow currently leads the ALMS PC Drivers Championship, with four podium finishes to his credit.