beautiful young girl slim runner, dressed in tight sportswear, running towards the end of the curve of a blue running track

sprinter girl sprinting athletics track cardio exercise hair wind achieve athlete athletic black sportswear competitive fast female fit legs fitness healthy lifestyle jogger jogging woman marathon motion outdoor path posture training race runner running technique slender sneaker sole sneakers sports action shoes tights sportswoman sporty sprint tanned skin vitality well being beautiful young slim dressed tight towards end curve blue track