Following every new wave of fitness trends might feel like innovation… until it turns your business into a revolving door.

High Rocks, peptides, GLP-1s… All of this made noise in 2025. Some gyms jumped on the bandwagon. Most are already figuring out how to pivot again.

But the gyms that saw real growth focused on the basics and long-term client value: strength training, movement quality, and the semi-private model.

In this episode, Tim and Randy break down exactly what mattered this year (and the costly distractions that didn’t):

• The problem with trends that explode overnight
• What GLP-1s and muscle loss taught us about “quick fixes”
• Why movement quality might be the most powerful metric of 2026
• What keeps clients longer than transformation offers ever will

Chasing hype is easy. Building something durable takes focus. This episode is about what actually works – in 2025, in any year, and every year – and how to double down on it.

Let’s dive in.

Key Takeaways: 

• Intro (00:00)
• Strength training remains foundational, not trendy (01:50)
• Semi-private training offers scalable personalization (04:15)
• High Rocks is another fleeting fitness trend (07:23)
• Peptides and GLP-1s surged in 2025 (10:40)
• GLP-1s caused massive muscle loss issues (13:42)
• Shift success metrics to movement and strength (16:07)
• Lifestyle clients provide longer-term gym growth (18:24)

Additional Resources:

- Schedule your SpringBoard call

- Apply to join The Iron Circle

- Check out our Switch to Semi-Private course

- Get 30 days of Semi-Private Pro on us!

- A tool for deciding on new gym services – 5-Question Matrix

- Tim's new book – Built to Win by Tim Lyons 

- ProFit Accelerator: Helping Training Gyms Grow to 30K/month and Beyond Facebook group 

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