PacWest Motocross Series
AMA-affiliated 501(c)(3) nonprofit motocross points series uniting dealers, OEMs, riders and tracks across Washington and Oregon. Races at six tracks, five in WA (MotoWest MX in Port Orchard, OPMC MX, Woodland MX Park, Horn Rapids MX in Richland, Hannegan Speedway) and one in OR (Albany MX Park), over a roughly 14-round season, with the final rounds explicitly labeled the season finale.
Tracks on MX Tickets sell gate entry, practice days and camping online. Book before you turn up.