Training the Dark Side is a revolutionary method of training for endurance and stamina for Spartan Race, OCR, Trail Running or Hyrox Competitions.
THERE IS NO SUBSTITUTE FOR EXPERIENCE
Coach Diaz is world renowned for his depth of knowledge as a performance clinician and a coach as well as for his coaching, assessment and programing for Endurance, Hyrox, Crossfit, OCR, & Youth Sports athletes.