Hot Weather Hydration Tips

Now that the weather is heating up, you need to know how to stay hydrated so that you can stay injury free and running happy and fluidly!  Not only do you need to up your water intake but you also need to make sure you are watching your electrolyte intake as well. Salty after a long workout? Then you need to up your electrolyte intake. The body needs salt and potassium and other nutrients a.k.a. electrolytes, to absorb all that water you're drinking. Not sure where to start to learn about hydration? Our staff is ready to help you with all of your hydration questions. We also have a great selection of hydration belts from Nathan, Amphipod, Fuel Belt and IFitness. We also have a wide variety of hydration products from names you know and trust like NUUN, Gatorade, Hammer and more. Read on to learn about how much hydration can affect your body - not only on your run but also everyday.

Dehydration is the leading cause of training injuries.  It hinders every bodily function needed to run.  A 2% decrease in body weight caused by dehydration affects your performance.  Studies have shown athletes finish a 12K run up to 2 1/2 minutes faster when properly hydrated.Water is 75% of your body.  Hydrate to avoid injury, recover faster, and perform better.Every physical reaction in your body depends on proper fluid levels:
  • Heartbeat
  • Blood flow
  • Temperature regulation
  • Delivery of nutrients to cells
  • Waste disposal from system
  • Muscle function
  • Joint cushioning
We Run on WaterDehydration also impacts mental toughness. Running is as much a mental challenge as it is a physical one. Even mild dehydration reduces concentration levels, negatively affects your mood, and cause fatigue. 

You can't forget to water a plant and then drown it in fluid to make up for it.  The same is true for your body.  Your body doesn't store water to use for later. You must hydrate continuously at the right levels all day to replace fluid loss. A general rule of thumb is to consume about 1 oz. of fluid per 2 pounds of body weight, plus what you sweat out during exercise.

What Color is your pee?

Need to know how much water you need to drink? Follow the steps below to calculate your sweat rate:
  • Weigh yourself without clothes on before exercising for (ideally) one hour.
  • After your run strip down and weigh yourself again.
  • Assuming you did not use the toilet or consume any fluids during exercise, your weight loss is your sweat rate.
  • For each pound lost, you lost approximately 16 oz. of fluid. If you drink any fluids or use the rest room between the two weight samples, you'll need to include both of these estimated weights in your calculations.
  • Add fluid consumed to the amount of weight lost. Subtract estimated bodily void weight from the total weight lost.
  • Be sure to record the heat and humidity conditions in your sweat test.

For best results, repeat the test in cool and hot conditions. Repeat the test for swimming, running and cycling because sweat rates will vary for each sport and vary with environmental conditions.

Download the Calculate Sweat Rate Worksheet

So whether you carry, wear, or hide your water in the bushes - make sure you are taking care of your body.  Don't forget, electrolyte replacement is just as important as keeping your water levels up. At Fleet Feet Knoxville, our staff is ready to help you with your hydration questions - we have all the gear and products you need to keep you running happy and fluidly!

Per request, here is the presentation from our Hydration 101 Clinic. Click here to view and download.

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