Aerobic Endurance 5km Run Conduct: Run hard for 30sec, then run slow for 30sec, alternating for 5km.
Feb 04, 2019 WEEKLY WARRIOR WORKOUT 33 Aerobic Endurance 5km Run Conduct: Run hard for 30sec, then run slow for 30sec, alternating for 5km. Leave a comment Name Email Message Please note, comments must be approved before they are published Post comment This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.
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