For more information give us a call: (920) 410-2974 or email

Fitness Center - Personal Trainer - Physical Fitness

Definition X was designed to be your home for personal and small group training where participants can define themselves both mentally and physically through exercise.

Our Services

Group Classes


We offer: P90X, KiX, Contact KiX, Insanity Live, Step X and more!

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Personal Training


We offer one-on-one training to help you achieve your goals.

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Definition X Fit Club


Self motivation along with group support AND one on one help from Wendy, Joelle and Steve.

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Weekly Calendar


Weekly Calendar
Click Here for Class Descriptions

  • All Classes are 1 Punch

  • Available Class Dates
  • Hours See class schedule for open times
  • Address 146 Algoma Blvd, Suite F
    Oshkosh, Wisconsin
    2 hour parking available on Division and Algoma. Additional parking available in the large lot behind Kitz & Pfeil