In The Mix Fund Raiser - Thursday September 9, 2010 In the Mix Yogurt is raising money for Poway High School Field Hockey. Date: Thursday September 9th, 3PM - 9:30PM. Download and print this flyer and bring it to In the Mix Yogurt to help raise funds for Poway High School Field Hockey. 2010 USA Field Hockey National Hockey Festival Phoenix Arizona, November 25-28, 2010. The world's largest amateur field hockey event, USA Field Hockey's National Hockey Festival traditionally attracts more than 3,500 athletes from across the United States, Canada, Europe and the Caribbean competing for titles in men's and women's divisions including women's age group (Under 16 and Under 19), boy's age group (U16, U19), women's open, men's open, sectional, masters (women 35+), veterans (men 30+) and mixed. Poway Valley Mystix selected for Festitval.