THE ULTRAMARATHON CHAMP OFFERS HIS ADVICE FOR BECOMING A WORLD-CLASS RUNNER
By Dean Stattmann
Run Like a Pro
Focus on maintaining good form by tightening your core, leaning your upper torso forward, and thrusting your arms.
Train Twice as Hard
“Build your endurance with dual cardio workouts,” Karnazes says. “Do cardio in the morning and repeat it in the evening — a minimum of 45 minutes each on the treadmill, the elliptical, or whatever your preferred machine is.”