Join Coach Patrick from Endurance Nation (www.endurancenation.us) for another weekly endurance podcast. This week Coach Patrick sits down with long-time Endurance Nation member Liz Hickox to hear all about her adventure running Rim-to-Rim-to-Rim this October. A self-professed “mediocre” runner, Liz set out to challenge herself as the triathlon season faded away — to check off…