Join Pro HOKA ONE ONE triathlete Heather Jackson in this hill repeat workout to help you build strength.
WARM UP: 20 minutes of easy running.
WORKOUT: Run 4 rounds of 5 x 30-sec hills.
Rest for 3 minutes in between each set.
Focus on form rather than speed. Drive your legs and arms and keep a tall chest.
COOL DOWN: 20 minutes of easy running.
