Nissan will kick-off its 2009 “Master the Shift” Event Tour in Boulder with appearances by Olympic marathon runner, Ryan Hall and Strala Yoga founder, Tara Stiles. Nissan “Masters” Hall and Stiles will make appearances at the Nissan booth at the BolderBOULDER SportsExhibit on Pearl Street Mall (May 23-24) and the Nissan RaceDay EXPO outside Folsom Stadium (May 25). Hall won the 2008 U.S.