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 ...

Jesse Horn is back at it. Or, rather, the Cochrane-Fountain City High School student never took a break. Horn, whose journey with cup stacking — a sport that involves building then disassembling ...

Editor’s note: This segment was rebroadcast on Sept. 30, 2025. Click here for that audio. In the early 2000s, thousands of U.S. schools had their students race the clock to stack cups in gym class.