What's the difference between the Winter Arc and The Great Lock In?

The Winter Arc runs 1 October to 31 December, which is 92 days. The Great Lock In runs 1 September to 31 December, which is 121 days. The Winter Arc tends to be more flexible and more TikTok-community driven, while the Lock In is often framed as more intense. Plenty of people use the terms interchangeably.

Can I start the Winter Arc in November?

Yes. Start in November and use the time you have. Starting on 1 November gives you 61 days before January. Choose a manageable first week and carry on beyond December if you want. You do not need to catch up on October.

Do I have to post on TikTok to do a Winter Arc?

No. It started on TikTok and sharing does help with accountability, but plenty of people do it privately. Motion's community offers accountability without social media if you would rather not post.

What if I miss a day?

Nothing happens. Unlike 75 Hard , the Winter Arc has no restart rule. Pick it back up the next day. What actually ends a Winter Arc is deciding the missed day has ruined it, which is why Motion has no streaks to break.

Is the Winter Arc easier than 75 Hard?

Different rather than easier. It is longer at 92 days versus 75, but far more flexible, and you set your own rules instead of following fixed ones. Some people find that harder, because it takes more self-direction and there is nobody telling you the standard.

What should my Winter Arc goals be?

Start with whatever bothers you most right now. If that is fitness, start there. If it is sleep, prioritise that instead. Most Winter Arcs that survive include daily movement, some nutrition awareness, consistent sleep, and one personal goal. Two or three habits is plenty.

What step goal should I pick for a Winter Arc?

Lower than you think. 10,000 is the default people reach for, but it came from 1960s pedometer marketing rather than research. The 2025 Lancet Public Health review of 57 studies found most of the longevity benefit is already banked by around 7,000 steps a day. For a target you need to hold through December, see our guide to walking 7,000 steps a day .

What happens after 31 December?

Keep the parts of your routine that fit your life and change those that do not. You can continue practising into January. There is no fixed date by which a habit must feel automatic.

Fitness for Every Body

Winter Arc 2026: Because October is the New January

While everyone else slides into holiday mode, you get 92 days to build something. 1 October through 31 December is the run-up, so January isn't a starting line. This is your Winter Arc.

Begin Your Winter Arc See Why October Works

Motion weekly fitness goal + tamagotchi style pet

What is the Winter Arc challenge?

92 days, one decision, no waiting for January

The Winter Arc grew from a simple idea: why wait for January when October is right there?

It was coined by TikTok creator @carlyupgraded and has since gone from trend to annual fixture, with mainstream coverage every autumn. The premise is straightforward. Use the last three months of the year to build something, so 1 January is a continuation rather than a starting line.

The October advantage

Kids are back at school, so routines already exist
Summer mode is over and the diary is calmer
The weather suits walking and running far better than August did
The holidays haven't started, so the excuses haven't either
Gyms are empty, because everyone else is waiting for January

Your Winter Arc, your rules

Unlike rigid challenges such as 75 Hard, the Winter Arc is fully customisable:

Daily movement, even 20 minutes
A consistent sleep schedule
Nutrition awareness, not necessarily restriction
A skill: a language, an instrument, code
Financial discipline
A mindfulness practice

You decide what it means. This is not about following someone else's programme, and the full Winter Arc rules are deliberately loose for that reason.

Why the timing genuinely helps

There is no special seasonal biology at work here, whatever social media tells you. What October actually offers is more mundane and more useful: 92 days to practise a routine before the new year. You can learn what fits before deciding what to carry into January.

Habits take different amounts of time to form. Researcher Pippa Lally warns against treating 66 days as a fixed rule. Use the season to practise and adjust your routine. There is no deadline by which it must feel automatic.

What are the Winter Arc rules?

The core framework

The Winter Arc is flexible, but most people who finish it include some version of:

1. A physical component. Daily walks, the gym, yoga, home workouts. Anything that gets you moving.

2. A mental component. Reading, learning a skill, meditation, journalling, something creative.

3. Nutritional awareness. Not necessarily a diet. Could be water intake, meal prep, reducing one thing or adding one thing.

4. One non-negotiable. The single thing you do every day regardless. Most people choose movement, because it is the easiest to measure and the hardest to talk yourself out of.

Popular Winter Arc formulas

The Balanced Arc

30 minutes of daily movement
Eight hours of sleep
Two litres of water
Ten pages of reading

The Fitness Arc

Gym five times a week
A daily step goal
A protein target
Sunday meal prep

The Wellness Arc

Morning yoga
Meditation
Journalling
No phone before 9am
An evening walk

The Glow-Up Arc

A skincare routine
A workout plan
Nutrition focus
Confidence building

The only real rule

Consistency beats intensity. Twenty minutes daily for 92 days beats two hours once a week, every time. The Winter Arc is about building something that survives the holidays, not about how hard any single session was.

Why start on 1 October instead of 1 January?

January is set up to fail

You are broke from the holidays
You are tired from the parties
There is guilt attached, which is a poor motivator
Gyms are heaving
The motivation is external, because everyone else is doing it too
It is cold and dark, and enthusiasm does not survive either

October gives you a different set of conditions

Routines are already established from September
No financial holiday stress yet
Better weather for getting outside
The motivation is internal, since nobody is expecting it of you
92 days to build the habit before the hard part arrives

If you want a softer start, National Fitness Day falls on 16 September, a fortnight before the arc begins. Thousands of venues run free sessions, which makes it a low-cost way to test something out before committing to 92 days of it.

The back-to-school effect

After enough years of education, most people read autumn as a natural fresh start. September and October carry a "new beginning" feeling that January also has, but without the baggage of failed resolutions attached to it.

The holiday timing

Start on 1 October:

30 days in, it's Halloween and you have momentum
60 days in, it's late November and you can review what has worked
92 days in, it's New Year and you are continuing rather than beginning

Start on 1 January: most resolutions are abandoned within weeks, and you are attempting to build the habit during the least forgiving month of the year.

That is the whole argument. Not neuroscience, just a better run-up.

How Motion helps your Winter Arc stick

Built for the boring middle

Most Winter Arcs do not fail in October. They fail somewhere around day 40, in a dark, wet November week when nothing is visibly improving. That is the part Motion is designed for.

Your Motmot is the accountability Your virtual pet responds to your daily movement, and it evolves as you keep going. It does not die if you miss a day. It just gets a bit sad, because the Winter Arc is about consistency rather than perfection.

Adaptive goals that know October isn't December Motion sets your target from your actual recent activity and moves it as you change. Gentle in October, higher by December, without you having to guess the right number in advance.

No streaks to break This matters more over 92 days than it sounds. One missed day in November is where most Winter Arcs quietly end, and a counter resetting to zero is what makes that day feel terminal. There is nothing here to reset.

Everything counts Morning yoga counts. A lunchtime walk counts. Dancing while you clean the kitchen counts. Playing with the kids counts. Motion does not care whether you consider yourself athletic.

Weekly battles scored on effort Competition is based on the percentage of your own goal you hit, not raw numbers. A beginner pushing hard can genuinely beat someone fitter who is coasting.

The three-month shape

October, foundation. Focus on turning up. Twenty to thirty minutes daily. Do not worry about intensity.

November, momentum. Increase duration or add a second habit. This is where the dip lives, so expect it.

December, consolidation. Keep the parts that fit your life and adjust the plan for the holidays. You can keep practising in January.

Which Winter Arc difficulty should you choose?

Winter Arc Soft

One form of movement daily, any duration
Drink more water
Read before bed
One fruit or vegetable per meal
Phone down by 10pm

Best for: first-timers, busy parents, high-stress jobs, anyone returning after a long break.

Winter Arc Standard

30 to 45 minutes of movement daily
Track nutrition rather than restrict it
Seven to eight hours of sleep
Ten pages of reading
One self-care practice

Best for: most people, and the version most likely to still be running in March.

Winter Arc Hard

Gym five or six times weekly
A strict nutrition plan
No alcohol
5am wake time
Daily cold shower
Meditation practice

Best for: high achievers and people with a specific competition or event in view. Worth being honest that this version has the highest drop-out rate, and that dropping out of a hard arc often means doing nothing at all.

Winter Arc Custom

Pick three to five from fitness, nutrition, sleep, learning, financial targets, relationships, career, or creative work.

The key is choosing what matters to you rather than what looks good on TikTok.

Combining challenges

Winter Arc with 75 Soft rules
The Winter Arc timeline with a modified 75 Hard
Winter Arc as part of The Great Lock In

What if you've already missed 1 October?

Then you start anyway.

Starting 15 October gives you 78 days
Starting 1 November gives you 61 days
Starting today puts you ahead of everyone still waiting for a tidy date

The 1 October start exists because a shared timeline creates community, not because the date has any power of its own. A shorter arc still gives you time to practise and review your routine.

Your first week

Day 1: choose your big three. One fitness commitment, one nutrition awareness, one mindset practice. No more than that.

Days 2 to 3: test run. Try the routine. Too easy, add a little. Too hard, scale back. You are looking for something you could still do on a bad day.

Days 4 to 7: lock it in. Same time daily. Prepare the night before. Track it. Tell someone.

Week 2 onward: build. Add five minutes. Increase gradually. Find other people doing it.

Make it public

Plenty of people post a commitment, and it does help:

"I commit to my Winter Arc from [date] to 31 December. My non-negotiables are [three to five things]. I'm doing this because [reason]."

Post it, or just tell one person. Public commitment measurably improves follow-through, and it costs nothing.

Frequently asked questions

If you have anything else you want to ask, reach out to us.

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Last updated September 15, 2026