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Hot! Hot! Hot! Your Guide to Surviving Summer Running

Summer brings long hours of daylight, warm temperatures, and sunshine, which sounds like a runner’s dream. However, the heat and humidity can pose challenges to runners and even make training feel downright miserable at times. Thankfully, you don’t have to give up your running goals as soon as the temperatures start to rise—these tips will keep you running safely through the summer months.

Hydration

Hydration may be an afterthought during cold weather training, but once the heat and humidity increase, you need to be more deliberate about your hydration. You may find that you need to take water on shorter runs or drink more frequently on long runs, in addition to drinking more water throughout the day. The best indications of how much to drink are how you feel and the color of your urine – if you feel thirsty or if your urine is a dark yellow, you need to drink more water!

It’s also important to know that hydration isn’t just about drinking more water. Electrolytes (minerals like potassium, sodium, calcium, magnesium, and a few others) help your body maintain fluid balance. Without sufficient electrolytes, you can become dehydrated even if you are drinking enough water. Low electrolyte levels can also cause muscle or stomach cramping.

You don’t have to drink traditional sugary sports drinks to get in electrolytes. While these can be a good mid-run option, you can also choose from low-carb electrolyte beverage, electrolyte sprays, and electrolyte pills for before, during, and after a run.

Timing

Ideally, morning and evening are the safest and most comfortable time to run in the hotter months of the year. Temperatures will be cooler during this time of day and the sunlight will be less direct. Since daylight extends longer in both the AM and PM hours during summer, you can still run in daylight and stay cool.

If you are doing a hard workout, long run, or running with your pets, you want to try to run early in the morning or late in the evening. The heat will make your paces feel harder than they should be on interval or tempo runs, and it may be discouraging if you struggle to hit your goal pace on a tempo run. Doing a long run in the heat of the day brings too high of a risk of dehydration, electrolyte imbalance, or heat stroke. Your dog can’t sweat to cool down, so running in hot temperatures can put your four-legged running buddy at risk.

If you have to run during the heat of the day, try to run along a shaded route to stay cool and reduce sun exposure. Be diligent in your hydration in the hours of the day leading up to the run. If you are running over a lunch break at work, be sure to bring shower wipes and dry shampoo to clean off any sweat after the run.

Pacing

Once the temperature exceeds 65 degrees (or even lower if you aren’t acclimated), you can expect your pace to slow down. It’s harder to maintain an 8:00 minute mile in 70 degree weather than 50 degree, and even more difficult to maintain that same pace in 90 degree weather. Heat makes you sweat more, which in turn lowers your blood volume and makes your body work harder to deliver oxygen to your muscles. Your heart rate also increases in the heat, meaning that you are working harder to maintain your normal pace.

Instead of being a slave to your Runkeeper app, focus on running at the same level of perceived effort. This will likely mean that your instant pace and your average pace will be slower than you saw during the spring months, not because you lost fitness, but because the conditions. You can also use a heart rate monitor to make sure you train within the right zones throughout the summer months.

Sun Protection

The sun can not only make you feel warmer and sweatier on a run; exposure to the sun can cause skin damage and increase your risk for skin cancer including melanoma. Wear a visor or a baseball or trucker style cap to shade your face from the sun. Sunglasses will protect your eyes from the sun. Many brands of running clothing add SPF to their clothing, so your tank and shorts should add protection from the sun.

Even on cloudy days, apply sunscreen to your face, neck, hands, and any exposed skin before the run. Sport sunscreens will protect your skin without clogging your pores or making your skin feel sticky before you begin to sweat. Don’t forget your lips – use a SPF lip balm on your runs.

Know the Warning Signs

The heat won’t just slow you down on a run; it could cause serious health or life-threatening conditions if you don’t take the proper precautions.

Not consuming enough electrolytes can lead to heat cramps, which is when dehydration and an electrolyte imbalance cause abdominal cramping or muscle cramping. However, you can also drink too much water without enough electrolytes and suffer from hyponatremia, a potentially fatal condition marked by headache, disorientation, and twitching muscles. Hyponatremia occurs most commonly after running for several hours and must be treated immediately, so seek medical help.

Dehydration, electrolyte imbalance, and high or prolonged exertion can lead to heat exhaustion or heat stroke. Heat exhaustion symptoms includes a core temperature in the range of 102 to 104 degrees Fahrenheit, headache, nausea, fatigue, and excessive sweating. Heat stroke is worse than heat exhaustion: along with the symptoms of headache, nausea, and vomiting, the core temperature raises above 104 degrees and the pulse becomes rapid. Heat exhaustion can be treated with ice packs and rest, but heat stroke must receive medical attention and will likely require an IV.

Follow the tips above, from hydration to when to run, to avoid risking any of these heat related problems. Always listen to your body’s signals and be prepared to cut a run short or stop completely if you begin to experience any of these symptoms.

Summer running doesn’t have to mean lots of sweaty, hard miles. With these tips, you can stay safe and happy on your summer runs – and keep on running all summer long.

 

 

 

RUNKEEPER DOES NOT PROVIDE MEDICAL ADVICE OR MEDICAL SERVICES:  Please be aware that the company is concerned with the well-being and health of all of its users. However, the content is provided as informational only, and we do NOT provide medical or similar types of assistance or treatment services or similar advice.  The content is not intended to diagnose, treat, cure or prevent any disease and is not meant to be a substitute for any medical device, medicine, treatment or professional medical advice.  The content does not replace the relationship between you and your physician or other medical provider.  Any action you take on the basis of the information provided is solely at your own risk.
Laura Norris

About the author:
Laura Norris

Laura Norris is a certified running coach, distance runner, and blogger over at This Runner's Recipes. She loves helping runners achieve their personal best through providing useful, well-researched information on running and nutrition. Beyond running, Laura enjoys craft beer, hiking with her husband and dog, and cooking.

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