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1.
Runkz: (n) a group or organization made up of individual runks; collective noun. Note: Runks is the plural form for more than one person, but Runkz is a grouping of these folks.

Related Definitions:

Runk: (n) A person who participates in mud runs, obstacle courses and adventure racing. These individuals are often characterized by a willingness to get dirty, excited by challenging themselves mentally and physically, and a desire to live life to its fullest.

Runk: (v) to participate in mud runs, obstacle courses and adventure racing. “Michelle had a crazy runking experience at the mud run for Halloween.”
Runkz is a close, online, sharing community of like-minded, slightly insane individuals who enjoy mud runs, obstacle course and adventure racing
by Chief Runkz January 28, 2013