detail of legs and sports shoes of a young female runner, prepared in a position with her legs and feet flexed to do sprint or a

athlete athletic bent legs challenge competition concept endurance energy exercise fast feet female finish fit fitness foot footwear girl goal healthy jogger jogging marathon motivation position racetrack ready run runner shadows silhouette woman sneakers sport clothing sportswear start sunny track training waiting wellbeing wellness workout closeup sunlight lifestyle race detail sports shoes young prepared her flexed sprint blue athletics runner#39aph39#s shadow projected track