Athletes already know the sun can be your worst enemy. This weekend we found hundreds of people taking part in a soccer fest happening at McGee Beach by the Holiday Inn on Shoreline. More than one hundred teams were braving the sun's rays. We talked to some of the athletes and their parents about how they were trying to stay cool. Lots of folks were drinking plenty of water, and taking a break under tents. Doctors say heat exhaustion can set on fast if you're not hydrated. Some symptoms include heavy sweating, paleness, and muscle cramps. If you feel you are overheating, seek medical attention right away.