Three rounds for time of:
50 Double Unders
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In the July issue of Outside magazine, there is an article titled, “Ice the Competition, the secret to performing in hot weather” by Justin Nyberg:
The latest endurance booster might give you a headache. A new study published in the journal of Medicine and Science in Sports and Exercise found that runners who drank a 10-ounce slushie (made of blended ice and sugar water) were able to run 19 percent longer before exhaustion in 93-degree heat than a control group drinking the same ice-cold beverage in liquid form. Because a slushi is mostly bits of ice suspended in syrupy water, it can stay fluid below 32-degrees and drop your core temperature by half a degree more than 33-degree sugar water without ice. “While that doesn’t sound like much, half a degree will make a big difference in terms of your performance, especially at the elite level,” says study co-author Paul Laursen.
To make your own pre-workout slushi, puree ice in a blender with just enough syrup (like Torani, $8; www.torani.com) and sports drink to make it go down easy. Drink about eight ounces 30 minutes before the event-and be prepared for the brain freeze.
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