Irwindale 150

The ARCA Menards Series West has held several races at Irwindale Speedway in Irwindale, California over the years. The track currently has two races for the series, which are in March and July and share the same name, the NAPA Auto Parts 150 presented by the West Coast Stock Car Hall of Fame. Races at the track have varied from 50 miles to 150 miles.

ARCA Menards Series

 * 2000 (November race), 2001 (May race), 2004 (both races), 2021 (August race), 2022 (March race): Race extended due to a Green–white–checker finish.