January 24, 2013 (Phoenix, Arizona) – Aravaipa Running announced today a partnership with GU Energy Labs of Berkeley, California to bring nutritional products to the upcoming 2013 edition of the Crown King Scramble 50 kilometer ultra marathon footrace. GU will be providing their GU Brew Electrolyte Tabs in all participant goodie bags, GU energy gels on course, GU Roctane gels on course, GU Chomps on course, GU Electrolyte Brew on course and a serving of Chocolate Smoothie Recovery Brew at the finish line. John Wainwright of Gu Energy Labs is excited to sponsor the re-birth of the Crown King Scramble which has not been held since 2007. “This is a pretty extreme race so we want …