A boys high school cross country team running fast in a group on a red track during practice.

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Size: 4501px × 3313px
Photo credit: © WoodysPhotos / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 10k, 5k, active, aerobic, athletes, athletics, boys, cardio, close, conditioning, copy, country, cross, dieting, endurance, exercise, fast, field, fitness, front, group, high, intervals, kids, lifestyle, motion, outdoors, people, real, repeats, repetition, run, runners, running, school, space, speed, sports, sporty, team, teenagers, track, training, view, workout