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Why Do I Feel So Sluggish and Tired During my Runs?

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Updated June 13, 2014

Runner resting in urban park
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Question: Why Do I Feel So Sluggish and Tired During my Runs?
During my recent runs, I feel slower than usual and very sluggish. It's a struggle to get through my runs. What's the problem?
Answer: You could possibly be overtraining, meaning you're running too many miles or running too hard. Try cutting back on your mileage or your intensity (or both). Even if a reduction in mileage or intensity goes against your training schedule, you need to listen to your body and give it the rest that it needs. You may even decide that you need to take a complete break from running and return to it when you are feeling mentally and physically refreshed.

Keep in mind that other areas of your life may also have an effect on your running. If your job or family life has been very time-consuming and stressful recently, you'll definitely feel more sluggish during your runs. Try to look for ways to reduce stress in your life and create more time for activities you enjoy, like running.

If you do cut back on your running and you're still feeling tired and sluggish, examine your diet and sleep habits -- they'll also have an impact on your running. Try to get eight hours of sleep a night and stick to a healthy diet.

Also, keep in mind that it's normal to have a bad run every once in a while. Don't let a bad run or two make you completely give up on running. Try some of these tips to get over a bad run.

Also see: When to See a Doctor for a Running Injury
Is It a Running Injury or an Ache?

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