Running and jogging are excellent forms of physical exercise, which can help you maintain a healthy weight. Additionally, regular aerobic exercise can improve everything from your cardiovascular health to your overall mood says ACE Fitness.
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If you find running very physically tiring, you should address any issues or factors that could be slowing you down. Consult your doctor for medical advice before starting any new exercise regimen or if you are concerned about your tiredness.
Feeling Tired While Running
Unexpected tiredness during running may indicate a known or unknown medical condition. Exercise-induced bronchoconstriction (exercise-induced asthma), for example, can make you feel tired after running a short distance, because constricted breathing leads to lower oxygen flow through your lungs to your blood and muscles according to Mayo Clinic.
Get checked out by your health care provider, and observe any preventive medical measures he recommends. For example, if you have asthma, you would likely do a regular regimen of preventive inhaler use and carrying a reliever inhaler to be used if you experience asthma symptoms during your run.
Scheduling Your Runs
Most people experience ebbs and flows in energy level throughout the day; how tired you feel may be affected by the time of day, your quality of sleep and the timing of your meals. Some people find that running first thing in the morning is less tiring than at the end of the day, while others find that the cool of the evening makes running less tiring.
If you are new to running, don't overdo the intensity or duration of your sessions. Starting with shorter runs, or a mixture of walking and running, will help you build up your endurance and fitness. Once you are settled into a regular training regimen, vary the duration of runs throughout the week.
Controlling your overall calorie intake can help you lose excess weight or maintain a healthy weight, while certain nutrients and electrolytes can help improve your overall running performance. Any extra weight you are carrying will make running more tiring.
Sports drinks containing the simple sugar glucose and electrolytes necessary for muscle functioning have been proven to improve a tired runner's performance. They also contain carbohydrates; the go-to energy booster for most runners. However, as the University of Michigan Health points out, most people can get the carbohydrates they need from food and water is the best drink of all before, during and after a run.
Equipment and Terrain
Where you run, and what you wear while running, can significantly affect your fatigue levels. Obviously, running on steep uphill gradients is more tiring than running on flat terrain, and hard-packed surfaces such as pavement tend to be more tiring than soft surfaces.
Running shoes can help prevent fatigue; most runners have some degree or over-pronation or supination at their ankles that impact their gaits, and correctly fitted, supportive running shoes can reduce gait-related fatigue. Running shoes need to be replaced approximately every 350 miles according to the American College of Sports Medicine; worn-out shoes will increase your fatigue during exercise.