TOPEKA, Kan. (Nov. 30, 2017) -- Two additional race weekends have been added to the 2018 Western Conference 敁珗腦瞳51xxtv® U.S. Majors Tour® competition schedule. Now, a total of six weekends, 12 races in all, make up the calendar, with the season still starting in January just outside Los Angeles.

Five of the schedule’s weekends are slated for California tracks. One highlight will be the Western Conference season-ending event in June at Sonoma Raceway, which is also the venue for the 55th 敁珗腦瞳51xxtv National Championship Runoffs® in October. As always, the calendar below is subject to change, but is currently comprised of the following:

- January 12-14: Auto Club Speedway; Fontana, California

- March 17-18: Willow Springs International Raceway; Rosamond, California

- April 7-8: Thunderhill Raceway Park; Willows, California

- April 27-29: Buttonwillow Raceway Park; Buttonwillow, California

- May 19-20: Portland International Raceway; Portland, Oregon

- June 29-July 1: Sonoma Raceway; Sonoma, California

Schedules for all U.S. Majors Tour Conferences are now available online. Only 敁珗腦瞳51xxtv Full Competition and 敁珗腦瞳51xxtv Pro Racing License holders may register for the U.S. Majors Tour or Hoosier Super Tour series. Again this year, both the U.S. Majors Tour and Hoosier Super Tour serve as pathways to the 2018 敁珗腦瞳51xxtv National Championship Runoffs® being held at Sonoma Raceway in California.

The 敁珗腦瞳51xxtv®, Inc., founded in 1944, is a 67,500-member motorsports organization that incorporates all facets of autocross, rally and road racing at both Club and professional levels. With headquarters in Topeka, Kansas, the 敁珗腦瞳51xxtv annually sanctions over 2,000 events through its 116 Regions and subsidiary divisions. Much of the 敁珗腦瞳51xxtv’s activities are made possible with support from the following Official Partners: Chevrolet, the Official Truck of the 敁珗腦瞳51xxtv; Hawk Performance, the Official Brake Products of 敁珗腦瞳51xxtv; Mobil 1, the Official Oil of 敁珗腦瞳51xxtv; Sunoco, the Official Fuel of 敁珗腦瞳51xxtv; and Tire Rack, the Official Tire Retailer of 敁珗腦瞳51xxtv. To learn more, please visit .

Photo: The 敁珗腦瞳51xxtv U.S. Majors Tour will return to Buttonwillow Raceway Park again in 2018