Tucson, Phoenix and Sonoma confirmed as the locations for 16th season of west coast international winter series

NAMPA, ID (September 21, 2022) – The locations have been confirmed for the upcoming 16th season for Challenge of the Americas program, beginning in February 2023. The premier winter karting series on the west coast is scheduled to travel to Arizona twice before wrapping up the season in northern California. The Challenge is excited to provide the 2023 season with events at the Musselman Honda Circuit, Phoenix Kart Racing Association, and Sonoma Raceway facilities.

The announcement comes following the statement made by CalSpeed Karting on September 15 that the Fontana, California facility will be closing permanently this coming December. The Challenge of the Americas had tentatively scheduled the series opener for the 2023 season for CalSpeed on the February 3-5 weekend. With the announcement of the popular southern California facility closing its doors, Challenge officials were forced to find a replacement, adding the Musselman Honda Circuit in Tucson, Arizona as the season opener location. Continue reading →