EAGLE – There’s something new on this weekend’s Flight Days schedule. For the first time, competitive cup stacking (called sport or speed stacking) will be a part of Saturday’s activities.In sport ...

The "Wisconsin Winter Stack Up" hosted some of the country's fastest cup stackers. Sport stacking is a competition in which competitors stack specially designed cups up and down in set patterns. Speed ...

If you know what Cup Stacking is, you're probably a parent or a kid who graduated recently. Speed stacks have been around for more than 18 years, but it's blowing up in a big way. Not only has sport ...

Also known as sport stacking or speed stacking, cup stacking is a sport where people rapidly stack and collapse (called down stacking) pyramids of plastic cups. The cups approved for competition by ...