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What is it about the month of September that makes you want to lock in and go after everything you desire because it's already yours?

Maybe it's the promise of a new season, fall pulling up with its crisp leaves, warm tones, and softer winds. Maybe it's the shift into the busy season as Q3 and Q4 enter the chat. Maybe it's the discipline and determination we've come to associate with Virgo energy doing its thing.


Whatever the case, TikTok is making sure we have everything we need to "lock in" for the rest of the year. Heralded as "The Great Lock In," TikTok's latest wellness trend is the collective reset designed to transform your life by December.

If you've been seeing the phrase pop up on your FYP, here's a quick breakdown of The Great Lock-In and how you can make the rising wellness trend work for you.

What Is The Great Lock In?

The Great Lock In Wellness Trend, Explained.

TikTok creators define "The Great Lock In" as a 17-week journey, taking place from September 1 to December 31. Think of it as a not-so-distant relative to the wellness trend concepts of 75 Hard/75 Soft or last year's viral Winter Arc. The Great Lock In is all about re-programming your mind to reprogram your life.

As one TikTok creator, @_tatianaforbes explained in her TikTok, "It's all programming your mind to go hard for a sprint of time. It's not meant to be forever. But it's meant to be this time where you put forth immense effort in some area of your life."

That area could be your finances, fitness, sleep habits, or even your personal style. And while The Great Lock In is framed as a "sprint," the true W is establishing the powerful habits you build along the way, the ones that shift your mindset, setting the tone for your physical or mental transformation. The name of the game is focus. And what you focus on, you magnify, creating space for radical change that feels bigger than your average glow-up.

@_tatianaforbes/TikTok

The Great Lock In Rules

The Rules of Engagement

So how does one lock in to The Great Lock In? The concept itself might sound intense, but the rules of engagement are more straightforward than you'd think. If you're ready to commit, here are some of the most common "rules" TikTok creators like @silkx.co are swearing by during this end of the year sprint:

  • 90 days of pure discipline
  • Wake up by 5 a.m.
  • Go to bed by 9 p.m.
  • Work out 5-6 times a week
  • Take 10,000 steps daily
  • Read 10 pages of a book daily
  • Drink 3 liters of water daily
  • Max protein intake goals daily
  • Write 3 things you're grateful for
  • No fast food
  • No sugar
  • No alcohol
  • No excuses
  • Eliminate distractions
  • Focus on yourself

@silkx.co/TikTok

How To Make The Great Lock In Work For You

You don't have to do all of the rules of The Great Lock In to see results by December 31. We want to level up and thrive, not burnout in survival mode. Yes, this is a 17-week sprint to transformation, but it doesn't mean you have to box yourself in self-improvement hell. Like author James Clear reminds us in the ultimate self-development book, Atomic Habits, "All big things come from small beginnings. The seed of every habit is a single, tiny decision. But as that decision is repeated, a habit sprouts and grows stronger."

TikTok creator @cloudsjoo echoes this approach to transformation, encouraging small, sustainable shifts versus a complete life overhaul from day one. Maybe you build toward 10,000 steps a day by starting off with a 30-minute walk per day. Or if you're rule is no fast food (physical) or no eating out (financial), a small step could look like cooking more meals at home each week and leaning more on meal prep.

The beauty of The Great Lock In lies in its flexibility. It's a framework for building systems that actually fit into your life long-term. Locking in doesn't mean perfection, it means commitment. It's choosing yourself through consistency and trusting that those small steps will lead to the glow-up you've been envisioning for your life.

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Featured image by Jacob Lund/Shutterstock

 

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