Un hombre caucásico en forma corriendo de un lado a otro para hacer ejercicio temprano en la mañana en Washington DC . - Foto e imagen de stock

A fit Caucasian man running up and down steps for exercise in the early morning in Washington DC.

A fit Caucasian man running up and down steps for exercise in the early morning in Washington DC.

Sporty man running stairs outdoors

Sporty young man running outdoors to stay healthy, at sunset or sunrise. Runner

Senior man as runner with armband or fitness tracker at the citys street. Caucasian male model practicing jogging and cardio trainings in summers morning. Healthy lifestyle, sport, activity concept.

Urban sports, healthy young couple jogging across the bridge in the city at sunny morning

A young man running in the park with motion blur

A young man running in the park with motion blur

A young African American athlete running on a wooded footpath.

A young man running in the park with motion blur

A young African American athlete running on a wooded footpath.