Caucasian man shadow boxing near railing

35 39 years agility arms outstretched athlete athletic authentic authenticity boxer boxing brunette california candid caucasian city color image concentrating copy space determination endurance exercise fighter fitness focusing full length healthy living horizontal lifestyle man mid adult mid adult men motion night one person outdoors people photography physical fitness practicing punching railing real life real people sacramento shadow shadow boxing shorts side view sparring sportswear standing strength training united states urban workout 30 35 30 40 30's 30s 35 40 activity adult after dark america american americas apparel brown hair ca clothes clothing color colour concentration dark dedication energy evening exercising exertion fellow fit focussing fortitude full body full length garment gentleman guy health healthy hitting human human being instructing male metropolitan movement muscular negative space nightfall nighttime nite north america one outdoor outside persistence person power practice practising rehearsing resolution self improvement short pants sport stamina striking teaching thirties thirty trainer us usa united states of america us usa west coast western european white space