PYRA Follows the general rules and stacking structure from CupStack, the foundations of Cup Stacking made by Wayne Godinet in Oceanside, California.
The primary stacks in general competition is 3-3-3, 3-6-3, Cycle, Doubles Cycle, and 3-6-3 Relay. The primary stacks in Head-to-Head competition is Cycle, and Cycle Relay.
Timers used in PYRA Competitions must go to the thousandth of a second. Stacking mats used in competition must be 31x16 inches. Cups used in stacking tournaments must be 3.6in x 3in in size or larger.