Athletes training for a triathlon on a running track in Neath, South Wales,UK.

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Size: 2438px × 3657px
Photo credit: © Matthew Horwood / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: athlete, athletes, bike, bikes, boys, cardio, cycle, cycling, endurance, exercise, fitness, health, practice, running, sport, teenagers, track, training, transition, triathlete, triathletes, triathlon, twenties, vertical, warm