Participants 2025 STACK UP!

Registration

Register Online Now
Help Set a WSSA World Record!

Registration closes at midnight November 18th (MST).

When is the STACK UP!

Anytime on November 18th, 19th and/or 20th
Sun	Mon	Tue	Wed	Thu	Fri	Sat
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2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30

Previous Years

• 2025 STACK UP! 775,000 Goal
• 2024 STACK UP! 752,632 Stackers
• 2023 STACK UP! 746,698 Stackers
• 2022 STACK UP! 737,863 Stackers
• 2021 STACK UP! 509,544 Stackers
• 2019 STACK UP! 638,503 Stackers
• 2018 STACK UP! 624,390 Stackers
• 2017 STACK UP! 578,704 Stackers
• 2016 STACK UP! 622,809 Stackers
• 2015 STACK UP! 618,394 Stackers
• 2014 STACK UP! 592,292 Stackers
• 2013 STACK UP! 555,932 Stackers
• 2012 STACK UP! 483,658 Stackers
• 2011 STACK UP! 412,259 Stackers
• 2010 STACK UP! 316,736 Stackers
• 2009 STACK UP! 276,053 Stackers
• 2008 STACK UP! 222,560 Stackers
• 2007 STACK UP! 143,530 Stackers
• 2006 STACK UP! 81,252 Stackers