Published Works
Three Books. One Mission.
Each book in the Built series was written to solve a specific problem gym owners face at different stages of growth -- from building the foundation, to scaling operations, to delivering elite training at volume.
Bestselling Books
Gym Owners Worked With
Industry Experience

Bestseller -- Foreword by Thomas Plummer
Built to Win
The Secrets to Gym Business Success
After 17 years in the trenches building and scaling gyms, Tim Lyons distills the hard-won lessons that separate thriving gym businesses from those that plateau and fail. This is not theory -- it is a field-tested blueprint covering every dimension of gym ownership: team structure, marketing, sales systems, retention, and the mindset required to lead at the highest level.
- The most common mistakes gym owners make -- and how to avoid them
- How to build a team that runs the business without you
- Marketing and sales frameworks that produce predictable revenue
- The financial discipline required to scale past $1M

Foundational -- The Book That Started It All
Built to Grow
The Gym Owner's Guide to Success and Scalability
The book that launched Tim's coaching career and helped thousands of gym owners rethink what's possible. Built to Grow chronicles Tim's personal journey from struggling gym owner to building a business that runs itself -- and provides a practical roadmap for others to do the same. If you're stuck in the day-to-day grind and can't see a path to scalability, this is your starting point.
- How Tim built a gym that operates without his daily presence
- The systems and processes that create true scalability
- Why most gym owners work harder than they should -- and how to stop
- The mindset shift required to move from operator to owner

Operational -- Co-Authored with Zach Columbia
Built to Deliver
The Gym Owner's Playbook to Semi-Private Training, Software Implementation, and Scaling Your Business
The definitive operational guide to the Semi-Private Training model -- the highest-margin, most scalable service format in the fitness industry. Co-authored with Zach Columbia, this playbook covers programming design, software systems, staff training, and the step-by-step implementation process for gym owners who are ready to build a business that delivers elite results at scale.
- How to design and implement a Semi-Private Training program from scratch
- The software stack that powers a scalable gym operation
- Staff training and accountability systems that hold without your presence
- Revenue modeling and pricing strategies for the Semi-Private model
The Complete Built Series
Read All Three. Build Something Real.
The Built series covers the full arc of gym ownership -- from building the right foundation, to scaling operations, to delivering elite results at volume. Start with whichever stage you're in.
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