Make September‑December Your Power Quarter: Embracing the Great Lock‑In Challenge

January New Year's resolutions get all the hype when it comes to starting health journeys. As the year turns, gym memberships and promises to make a healthy change tick up. But a new movement on TikTok is flipping that script.

Instead of waiting until the new year, countless TikTok users are starting their transformation in September. It's called the Great Lock-In, and it's about showing up for yourself during the final stretch of the year.

The idea is simple. Instead of drifting through fall into the holidays, you set clear intentions and commit to daily habits. Those habits, in turn, build the momentum that can carry you into the year ahead. Add in a steady nutrition routine fueled by functional superfoods, and you have a foundation that powers you through the season.

What Is the Great Lock-In?

The Great Lock-In Challenge runs from September 1 through December 31. Participants choose their own goals and commit to "locking in" for the last four months of the year.

Like New Year's resolutions, it's flexible by design. You might focus on fitness, career growth, emotional well-being, or financial discipline. Some users keep it private, while others post daily updates for their own accountability.

That flexibility sets the Great Lock-In apart from previous social media challenges like "75 Hard" or "Winter Arc." Rather than having to follow a strict set of rules, it's about making sustainable commitments that fit into your real life. In other words, it's less about punishment and more about focus.

Think of it as your own public contract with yourself. You have four months to sharpen your attention and move with purpose, with community accountability, along with the freedom to define what success looks like for you.

Why the Great Lock-In Resonates With Users

The Great Lock-In has caught fire online for good reason.

• Cultural timing matters. September already feels like a fresh start, with kids going back to school and fall routines settling in. Pair that energy with the urgency of an approaching year's end, and it's easy to see why there is so much digital community energy around the challenge.
• Accountability is powerful. Posting a pledge, even to a small circle of your followers and connections, creates a sense of responsibility. You'll feel more compelled to stick with it and show your progress. Meanwhile, the phrase "lock-in" reframes discipline as empowerment, increasing commitment.
• Psychologically, it works. Research shows that making small, public commitments may increase follow-through. But experts also caution that all-or-nothing thinking may lead to burnout. That's why balance is key. The best Great Lock-In plans mix structure with flexibility.

How To Structure Your Great Lock-In Plan

The Great Lock-In works best when you treat it like a framework. A little structure can help you stay consistent, while still leaving room for flexibility. This step-by-step plan can help shape your own journey.

Step 1: Define Your Why and Focus Areas

Before you start, clarify your "why." Do you want more energy or less stress? What about a stronger body? Write down your core reason for participating in the challenge. Then, choose two or three areas of life where you want to see change, like:

• Fitness (through consistent workouts, setting strength goals, or increasing mobility)
• Mental health (through journaling, meditation, or therapy)
• Work or study habits (building focused blocks or reducing distractions)
• Financial disciplines (through budgeting or cutting back on impulse purchases)

Going too broad risks getting discouraged over time. By narrowing your focus, you give yourself room to actually follow through.

Step 2: Set SMART Micro Goals

Goals work best when they're SMART: specific, measurable, achievable, relevant, and time-bound. That's where micro goals shine. Instead of simply saying you want to "get in shape," commit to three workouts per week. Swap a goal like "sleep better" with "aim for eight hours per night." Instead of "use less screen time," try "one hour before bed without devices."

The smaller the step, the easier it is to repeat until it becomes part of your routine.

Step 3: Build Accountability

Accountability can take many forms. Some people participating in the Great Lock-In Challenge post daily recaps on TikTok or Instagram. Others join private groups or track habits in journals or apps. Even a check-in buddy may keep you on track, especially when you're both helping each other.

At the same time, keep in mind that the challenge is not about performing for others. Instead, it's about creating a system that helps you stay consistent and accountable.

Step 4: Layer In Self-Care

Locking in doesn't mean locking yourself down. Going overboard with your health goals is a great way to burn out or lose motivation. Instead, build recovery and self-care into your plan. 

For example, you can plan rest days between workouts. Quiet mornings with a book can help to recharge your mental energy. If you like cooking, make time for cooking meals that nourish you. Finally, stress management techniques like breathwork or time outdoors can keep your progress sustainable.

Step 5: Midpoint Check-In

By mid-November, pause and reflect. Which habits are sticking? Which feel forced or unsuccessful? This is the perfect time to make adjustments.

Recommit for the final month, and don't forget to celebrate progress along the way. Even if you didn't hit every goal perfectly, you'll find some things to be happy and proud about. Consistency matters more than perfection as you continue to build your habits.

Step 6: Celebrate the Finish Line

When December 31 rolls around, the challenge is complete. Take a moment to acknowledge what you've accomplished and reflect on which habits you'd like to carry into the new year.

At best, your Great Lock-In months aren't just a one-time exercise. Instead, they can become a launchpad for 2026, giving you plenty of momentum on that New Year's Resolution before January even begins.

Fueling Your Focus With Laird Superfood

The Great Lock-In is driven by discipline and public accountability, but that's not all you need. Long-term focus requires steady energy, mental clarity, and plenty of resilience against the inevitable stress. Nutrition plays a key role, and that's where functional superfoods may help.

Don't lean on sugary lattes or energy drinks that may cause spikes and crashes in your energy levels. Instead, consider plant-based alternatives from Laird Superfood that may support your performance.

Take the Protein Instant Latte, for example. With adaptogenic mushrooms that may support stress resilience and protein to fuel your day, it's created to keep you steady. Paired with caffeine, it may provide energy without a mid-afternoon dip. The taste is indulgent, but grounded in clean ingredients.

Or, try the Protein Creamer. Swapping it into your morning coffee may give you a boost of protein alongside nourishing fats, helping to set the tone for your day. It's an easy habit to fold into your Great Lock-In routine, building a ritual that reinforces consistency while fueling focus.

The beauty of these products is how seamlessly they fit into the lock-in mindset. They're not shortcuts, but supportive tools, offering daily reinforcements of your commitment to feeling and performing your best.

Closing Out the Year With Intention

The Great Lock-In gives structure to a season that often slips by in a blur of busyness and holiday rush. By choosing clear goals, creating support systems, and fueling your body with clean nutrition, you can set yourself up for steady progress that may extend well beyond December.

Success doesn't have to mean perfection. Instead, it can simply mean showing up each day with purpose. When the year ends, you'll have a record of consistency to look back on and a strong foundation to carry into 2026. Join the Great Lock-In Challenge, and set yourself up for success!

Sources

https://onlinelibrary.wiley.com/doi/abs/10.1002/mar.20316

https://www.nytimes.com/2024/09/04/learning/do-you-get-the-september-scaries.html

https://www.nytimes.com/2025/09/05/style/great-lock-in-tiktok.html

https://www.sciencedirect.com/science/article/abs/pii/S0268005X1630340X

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3991026/