Reaching 21 mph is considered an elite benchmark for high school and junior college (JUCO) athletes, often tracked using GPS vests and high-speed motion tech.
If you have spent any time scrolling through slow-motion replay feeds from the AWI World Cup or the Skyhoundz Championships, you have likely seen the term floating through forums and Instagram captions. But what exactly is a "keju," and why is the 21+ mph threshold the holy grail of the sport? 21+mph+keju
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