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Orangetheory Millennium Park

@otfmillenniumpark

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Designed by experts and shaped by science. Unlock real results. Sign up now. 1st class is free. 👇

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October at OTF Millennium Park 🧡🍂🔥🎃
Your month at a glance! Save this & let’s make it a good one!

#otfmillenniumpark taken in Orangetheory Fitness Millennium Park by @otfmillenniumpark

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15 days ago

Welcome OTF Millennium Park!

Curious about what to expect for your first Orangetheory class?
This walkthrough will take you through the experience so you know exactly what to expect before you even step through the door.

No guesswork, no stress-just a science-backed workout that delivers real results.

Haven’t tried your first class? Call us or message and get your first class free* today! taken in Orangetheory Fitness Millennium Park by @otfmillenniumpark

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a year ago

PSA: Hell Week isn’t just for members. 👀

Introducing the Hell Week Pass: $39 gets your friend, family member or that one coworker you actually like access to 8 days of Hell Week workouts, October 24–31.

Your Hell Week +1 is out there. Tag ’em 😈 by @otfmillenniumpark

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a day ago

We’ve tried to be nonchalant about it. This is Skelly no longer playing it cool.
REGISTER FOR HELL WEEK!
It starts October 24. 8 days. 8 workouts. Complete 4 to
earn this year’s limited-edition shirt. Okay great, see you there. ❤️‍🔥💀

#otfmillenniumpark #otf by @otfmillenniumpark

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2 days ago

You 🤝 your fav tread tomorrow. The 12 Minute Tread Benchmark is back, and this one’s all about pacing, mindset, and trusting your legs more than your thoughts. Start strong, stay steady, finish even stronger. 😌 by @otfmillenniumpark

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2 days ago

Hell week starts in 12 days and Skelly is making sure you SIGN UP NOW to get your Hell Week shirts in time 👀 10/24 we’re kicking things off and you better be there….. Or else 💀

#otfmillenniumpark #hellweek taken in Orangetheory Fitness Millennium Park by @otfmillenniumpark

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4 days ago

Knowing your efforts isn’t about memorizing a set of numbers. It’s about learning what Base, Push, All Out and Walking Recovery feel like for you, and how to adjust your intensity as the workout changes. Save this one for your next class. 🧡 by @otfmillenniumpark

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4 days ago

Your 2026 Hell Week lineup has officially dropped. 8 days. 8 workouts. And just enough information to keep you guessing until October 24. Complete 4 to earn the limited-edition Hell Week shirt. Until then, speculate responsibly. 😈 by @otfmillenniumpark

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9 days ago

Happy Coaches Day to our incredible crew here at Millennium Park! 🧡🔥

Our coaches are a huge part of what makes OTF so special. Every day, they encourage our members to show up, push themselves, chase their goals, and keep fighting for their health.

Big thank you to Danny, Leroy, Kenzie, and Emma for everything you bring to our studio and our members. We’re so grateful for each of you and all that you do! 🧡
Feel free to leave an encouraging comment for them below! taken in Orangetheory Fitness Millennium Park by @otfmillenniumpark

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10 days ago

🧡 HELL WEEK IS COMING 👻🔥
10/24–10/31 — and you’re not surviving it alone. 😈
Bring a friend, have them grab a Hell Week Pass for $39, and take on the week together. More friends, more chaos, more bragging rights. 💀🧡
Tag your workout buddy & get them signed up! 👀🔥

#OTFMillenniumPark #HellWeek2026 by @otfmillenniumpark

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10 days ago

October’s assignment: adapt. 🧠 Different efforts. Different recoveries. Different demands. This month, your body and mind get plenty of practice shifting gears and responding to what comes next.
And yes, it’s all leading somewhere. Hell Week, we’re looking at you. 👀 by @otfmillenniumpark

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11 days ago

She’s beauty. She’s grace. She requires 4 Hell Week days in this place. 😌 🔥 Meet the 2026 Hell Week shirt. Complete 4 of 8 workouts October 24–31 to earn yours. Register now in app or at the front desk. by @otfmillenniumpark

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14 days ago