With the Catalina Cash Challenge, ATRA Corporate Member & Leading Southern California Event Production Company Continues to Elevate the Competition at Two Catalina Trail Races in Upcoming Year. Claremont, Calif. – Spectrum Sports Management, the leading Southern California-based sports management event production and sponsorship agency, announces that the company is elevating the competitive spirit of… Read more »
Spectrum Sports Debuts Catalina Cash Challenge races for 2016
