Runner’S Calf Muscle. Triathlete Running The Last Leg Of A 13.1 Mile Runs Of A Half Ironman. . The Sun Lit Leg Is In Focus Was The Shaded Leg Is Slightly Out Of Focus.

KEYWORDS

active athlete athletes athletic body calf calve chip close compete competition endurance exercise exercising fit fitness hairless jog jogger leg legs marking motion muscle muscular numbers part race racer racing run runner running shaved shoe shoes sneaker sneakers sports strap strength timer timing train training triathlete triathlon walk walking