Fitnesstrainer überprüft nach dem Training seinen Puls. Junge Sportler messen ihre Fortschritte auf einer Uhr nach dem Training. Bodybuilder verfolgt seinen Herzschlag während einer Trainingsübung. Sportlicher Mann im Fitnessstudio. - Stockfoto & -bild

Shot of a sporty young man checking his watch while exercising in a gym.

Guess who made their best time. a handsome young man standing alone and setting a timer on his watch before running outside

Fit young man out for a run in the city.

Man, fitness and checking watch for pulse, heart rate or performance on break after workout on the beach. Fit, active and sporty male person with wristwatch for monitoring body exercise by the ocean.

Man, fitness and checking watch for pulse, heart rate or performance after running exercise in city. Fit, active and sporty male person, athlete or runner looking at wristwatch for monitoring in town.

I set myself daily challenges. Full length shot of a handsome young man crouching down and setting a timer on his watch before running outside

Man doing warmup stretch before running in urban city street, getting ready for fitness training workout and exercise in road. Serious male athlete stretching arms before jogging and sport routine.

Man, fitness and checking watch for performance on break after workout, running or training in nature. Fit, active or sporty male person looking at wristwatch for monitoring body exercise in outdoors.

Being strong requires focus and dedication. Portrait of focused young trainer in the gym. Strong bodybuilder ready for a workout class. Healthy athlete in the gym for exercise

Runner stretching legs for exercise, workout and fitness training for sport performance in the urban city. Motivation, active and running wellness athlete ready for sports run, marathon or health jog.

Shot of a young man stretching his leg.

Runner in starting position for race, run or cardio for healthy exercise, workout or fitness in urban city. Active, fit and serious male sports athlete ready for training, running fast and sprint.

Practising for the perfect start. Full length shot of a handsome young man crouched in a start position before running outside

Being weak is dangerous. a man using his watch to track his pulse while out for a workout

Athlete making a facial expression holding his phone. Fit young man showing his mobile device screen in the gym. Handsome young man using his cellphone in the gym. Bodybuilder pointing to his phone.

I made great time today. a handsome young man looking at his watch during his outdoor run

Focused on cardio health. a young man standing alone outside and using his watch to time his pulse after a run