Caucasian man doing push-ups on sports field

25 29 years authentic authenticity bare chest california candid caucasian color image copy space day exercise field fit fitness health healthy healthy living horizontal lifestyle looking down man millennial millennials oakland one person outdoors people photography physical fitness push up real people selective focus serious sports strength surface level three quarter length track track & field united states upper body working out young adult young men grit real life20 25 20 30 20's 20s 25 30 activity adult america american americas bare bare chest bare chested ca chest color colour daylight daytime energy exercising exertion fellow footpath gentleman guy hardy human human being male negative space north america one outdoor outside path pathway person power push up self improvement seriousness shirtless solemn somber sport three quarter length topless track and field track event twenties twenty us usa united states of america us usa vitality well being west coast western european white space work out workout