With temperatures topping 90, pools across the metro saw a busy opening weekend -- but even the best athletes need to watch out when the heat and humidity are soaring.
At the State High School Track Meet in St. Paul, the hurdles weren't the only obstacles runners faced.
"It's a little more humid, so it's harder to breathe -- can't run as fast as you possibly can," said Jake Lynch, of Sauk Rapids.
Temps nearing 90 tend to slow down even the fastest and fittest, and that's why volunteers were standing guard with special tools to measure heat stress.
"On days like today, the main thing is: Kids stay in the shade -- out of the sun -- until they're ready to compete," said Dr. Bill Roberts.
Runners recover with plenty of water and wet towels, but when you're surrounded by water, cooling off is a little easier -- and swimmers packed metro pools.
With most kids officially out of school, a summer course in pool safety never hurts -- especially since rehydration is still important when swimming.
"Making sure they rehydrate is important because you don't notice how hot you are in the water," said Michelle Voight.
It doesn't take long for heat to take its toll on the track or at the pool, and experts say children should take a break every hour to rest, drink water and reapply sunscreen if needed.
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