InfinityQS International, the leading provider of real-time quality control software solutions, today announced its sponsorship of the St. Jude Memphis Marathon Weekend, held Dec. 4, 2011, in Memphis. In its third year supporting this event, InfinityQS has made a $1 million pledge to St. Jude Children’s Research Hospital – the world’s premier center for the research and treatment of pediatric cancer and other catastrophic childhood diseases.