tired runner controlling pulsations checking smartwatch

aerobics anxiety app asthma athlete attack beach beat breath call cardio care checking chest city coast complaining device emergency exercise exhausted fatigue female fitness girl health heart heated jog jogger jogging landscape marathon mobile monitor outside outskirts park people person phone problem pulsations rate run runner running smart smartphone smartwatch sport sportswoman stress suffering suffocated symptoms tired training triathlete triathlon trouble urgency watch wearable woman workout worried worry wrist young