Runners in starting position. Young man and woman prepared for intense training session. Sports training in the gym. - Stock Photo & Image

Runners in starting position. Young man and woman prepared for intense training session. Sports training in the gym.

Young fit couple in gym fast running. Young man and woman doing intense training session. Sports training in the gym.

Fitness, sport, exercising, training and healthy lifestyle concept - group of people doing straight arm plank in gym

Fitness, sport, exercising and people concept - woman with heart-rate tracker at group training doing plank exercise in gym

Trainer telling and looking at black girl doing deadlift exercise with barbell for back in gym. Concept of healthy lifestyle. Focused woman and caucasian man wear sportswear. Sport club in sunny day

Fitness, sport, exercising, training and healthy lifestyle concept - group of people doing straight arm plank in gym

Group of young healthy people doing pushups at cross fitness gym

Young fit men friends in gym doing push ups on dumbbells, measuring time on smartwatch.

Three young fit men in crossfit gym with their personal trainer doing box squats, practicing box jumps. Rear view.

A senior man with a young male trainer doing strength workout exercise in gym.

Fit hispanic man in gym training, doing push ups

Close up of arm and legs of senior man in gym working out with weights

Unrecognizable young fit man doing strength training, doing push ups on kettlebells in modern gym.