Orangetheory Fitness Chesterfield

Orangetheory Fitness Chesterfield Orangetheory Fitness is heart rate zone training that delivers a full body group workout.

Orangetheory Fitness in Chesterfield, MO offers heart rate zone training that delivers a smarter way to work out. Experience an expertly designed, full-body group workout combining cardio and strength training with real-time tracking for measurable results you can see and feel. Here in Chesterfield, your heart rate sets the pace, enabling our triple-certified coaches to get you into the optimal zone. The result is a personalized fitness experience tailored to your fitness level.

All Out for breast cancer awareness. 💕🧡​Four years ago, Heather R. walked into OTF for the first time, and what started ...
10/28/2025

All Out for breast cancer awareness. 💕🧡

Four years ago, Heather R. walked into OTF for the first time, and what started as a workout quickly became something more — a second family, a support system, and a source of strength.

At only 38 years old, Heather received a breast cancer diagnosis and underwent a double mastectomy. Because she chose surgery, she was able to bypass chemo and radiation — but her journey was far from easy.

"I will say that one of the first things that crossed my mind was how long I would have to take off from OTF. When I got back, I was super nervous and had no idea what I could and couldn't do. The coaches were amazing and gave me alternatives. I shed a lot of tears those first several classes after realizing my body was different now. The coaches were very attentive and encouraging when I was feeling defeated." But she found her strength again.

Heather also leaves us with an important reminder: “If you’ve been putting off your mammogram, consider this your sign. Make the appointment. Do your self-exams. Take care of you.” 💗

This Breast Cancer Awareness Month, we honor Heather — and everyone fighting, surviving, and thriving. Heather, we’re so grateful for your courage, your voice, and your presence in our OTF family. 🧡

10/28/2025

Day 5 of Hell Week: Chains of the Coven. 🧙‍♀️ From the very first second, the witches had us bound. ⛓️ The Spell of Restriction held us tight — inclines stealing our speed, bands clipping our range, rows stalling us like a red light. But every break in the chains was a reminder: Freedom never felt so good.

10/27/2025

Tick… tock… the Spell of the Clock was cast. ⏳ Day 4 of Hell Week: Omen of the Hourglass became a race against the witches’ cruelest weapon — the clock itself. Time is ruthless under their spell. 🪄

10/26/2025

Day 3 of Hell Week is a cruel balancing act. Stability shattered. Spells cast. Balance bewitched. 🧙‍♀️ The witches have brewed instability — surges, wobbles, and no safe footing in sight. 🔮

10/25/2025

Gravity never plays fair, especially when witches are in charge. 🪄Day 2 of Hell Week and the Spell of Gravity has us in its grip — inclines that won’t quit, weights that feel possessed, and no way out but through. 🖤

we don’t skip celebrations around here 🧡
10/24/2025

we don’t skip celebrations around here 🧡

10/24/2025

The witches didn’t waste any time — Day 1 of Hell Week and Havoc’s Hex was unleashed. 🪄 The chaos swirled, the order shattered, and the Spell of Chaos tried to take us down. But you? Unstoppable. 🧡 Drop a 🕸️ if you made it out alive.

Stronger than cancer. Stronger every day. 💕​In honor of Breast Cancer Awareness Month, we’re celebrating Jean from OTF A...
10/21/2025

Stronger than cancer. Stronger every day. 💕

In honor of Breast Cancer Awareness Month, we’re celebrating Jean from OTF Altamonte Springs — a fighter, a survivor, and a true inspiration to our OTF family.

At 48, Jean was diagnosed with invasive breast cancer and underwent a mastectomy, chemo, and radiation. Determined not to let cancer define her, she refused to become a victim. Years later, she discovered Orangetheory and hasn’t looked back.

Now at 67, Jean works out 5-6 days a week, takes on every benchmark and challenge she can, and has crushed incredible milestones — from completing her first DriTri Sprint to winning her studio’s Transformation Challenge to finishing the Ultra 31.1 Marathon with 47.89 miles. ​

"I’m not a victim to cancer — Orangetheory Fitness is my therapy every day." 🧡 Jean, your story reminds us of the power of resilience, community, and showing up for yourself — at any age, in any season of life.

10/20/2025

Have you ever thought about how many people think about you? Right now, someone might be saying something kind about you. Someone might hear a song and think of you. Your presence matters — and it changes the world every day.

10/20/2025

Sit down. Send it. Survive. ✅ Drop those 200m benchmark times below ⬇️

Brag boards are full and hearts are fuller. 🧡
10/17/2025

Brag boards are full and hearts are fuller. 🧡

10/17/2025

The real MVP today? Your lungs. 🫶🚣‍♀️ All that rowing and flag-capturing deserves some recognition — drop your team’s total meters below.

"From the very beginning, Hell Week has generated a buzz among members and quickly shattered previous attendance records...
10/13/2025

"From the very beginning, Hell Week has generated a buzz among members and quickly shattered previous attendance records. Worldwide, it’s remained one of the most popular and anticipated programs on the Orangetheory calendar; studios display Halloween decorations, waiting lists overflow with names and many locations operate at full capacity, from 5 a.m. to 8 p.m., throughout all eight days."

Get the inside scoop on hell week, a gauntlet of workouts that has become a signature week at Orangetheory Fitness.

That’s a WIN, team. We’re beyond proud to be voted USA TODAY  #1 Best Gym, and we wouldn’t be here without every member ...
07/14/2025

That’s a WIN, team. We’re beyond proud to be voted USA TODAY #1 Best Gym, and we wouldn’t be here without every member of our OTF family (yes, you). We already know Orangetheory is so much more than a gym — it’s about time the world catches on.

From your local gym to far-flung hot springs, these are the top places to go for health and wellness.

You already show up for each other — now show up together. Unlock 𝐟𝐨𝐮𝐧𝐝𝐢𝐧𝐠 𝐦𝐞𝐦𝐛𝐞𝐫𝐬𝐡𝐢𝐩 𝐫𝐚𝐭𝐞𝐬 𝐟𝐨𝐫 𝐥𝐢𝐟𝐞 when you a refer a ...
06/08/2025

You already show up for each other — now show up together. Unlock 𝐟𝐨𝐮𝐧𝐝𝐢𝐧𝐠 𝐦𝐞𝐦𝐛𝐞𝐫𝐬𝐡𝐢𝐩 𝐫𝐚𝐭𝐞𝐬 𝐟𝐨𝐫 𝐥𝐢𝐟𝐞 when you a refer a friend who joins. Friends may be forever, but these rates are only for a limited time. Tag your friends in the comments!

"If you’re searching for the ultimate sweat to help you change your body composition in less time, metabolic conditionin...
05/07/2025

"If you’re searching for the ultimate sweat to help you change your body composition in less time, metabolic conditioning may be the perfect choice for you."

The approach is making a big return.

"Our coaches, staff and members come together to foster an environment that’s supportive, energizing and grounded in sha...
05/03/2025

"Our coaches, staff and members come together to foster an environment that’s supportive, energizing and grounded in shared goals — and that sense of community extends well beyond the workout itself."

The heart-pumping workout is as popular as ever.

“The Transformation Challenge is about inspiring people to take that first step and then celebrating the incredible resu...
01/10/2025

“The Transformation Challenge is about inspiring people to take that first step and then celebrating the incredible results – no matter where they’re starting from. Through our science-backed programming, OTconnect technology, and expert coaching, we help people form essential, healthy habits that last well beyond eight weeks, helping them be functionally stronger and live life with more energy.”

Orangetheory's 8-week 2025 Transformation Challenge has kicked off, centered on body fat reduction and muscle gain.

01/02/2025

This year’s Transformation Challenge gives you 2 paths for change, for whatever reason you've got … Lose fat to keep up with the kids at the playground? (Tag, you’re it!) Or gain muscle to lift all those packages you forgot you ordered? (Oops.) From January 13 – March 9, all it takes is 18 classes. So, what’s YOUR reason for change? 💥

Today, healthspan is everywhere—in books, news articles, surveys, and popular podcasts like The Peter Attia Drive and Hu...
11/19/2024

Today, healthspan is everywhere—in books, news articles, surveys, and popular podcasts like The Peter Attia Drive and Huberman Lab. Ever heard of it? According to a recent consumer trends report, more Americans would rather feel 25% healthier than live 25% longer. In other words, they’d prefer to prioritize their healthspan.

Get a jumpstart on your New Year healthspan goals. Discover how sleep, diet and Orangetheory all play a critical role in living your vibrant life.

“We’ve also enhanced our traditional Orange 60 classes by maximizing the time spent lifting weights, ensuring that membe...
11/13/2024

“We’ve also enhanced our traditional Orange 60 classes by maximizing the time spent lifting weights, ensuring that members get the most out of the strength portion of their workout.”

Physical activity is one of the best ways to support your health. Here’s what’s popular now and likely to continue to be big in 2025.

“Staying in shape as we age is all about consistency, variety and making sure you’re doing things that truly benefit you...
10/12/2024

“Staying in shape as we age is all about consistency, variety and making sure you’re doing things that truly benefit your overall health,” Latham says. “Cardiovascular health is one of my top priorities, and I’m a big believer in the power of interval training. Functional strength is just as important, too. Focusing on building and maintaining functional strength supports everyday activities and helps prevent injuries. Incorporating multi-joint exercises into your routine can keep your body strong and resilient.”

One woman shares her exact workout routine.

Why is Orangetheory perfect for busy parents? Check our latest blog post below for the answer.
09/24/2024

Why is Orangetheory perfect for busy parents? Check our latest blog post below for the answer.

Stay fit this school season with Orangetheory! Flexible classes, a supportive community and effective workouts make it easy to achieve your fitness goals.

One week from today the first waves will be kicking off under the St. Louis skies at Westport Plaza. If you’re not signe...
09/15/2024

One week from today the first waves will be kicking off under the St. Louis skies at Westport Plaza. If you’re not signed up for yet, what are you waiting for? Feel the rush during, the accomplishment after – it’s truly unmatched. Limited spots remain!

Address

1674 Clarkson Road
Chesterfield, MO
63017

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Orangetheory Fitness Chesterfield

For an invigorating whole body workout that will get you on your way to the body you want, come into our Orangetheory Fitness studio in Chesterfield, Missouri. With group training sessions led by personal trainers who will motivate you every step of the way, the Orangetheory workout is the most fun, yet productive high-intensity interval training (HIIT) session that you will ever experience.

Using treadmill training, indoor rowers, and weight training blocks, our Orangetheory trainers will take you through an intense sixty-minute long interval group workout that will leave you feeling energized.

Our training sessions have been designed to keep your heart rate within a target zone that increases your metabolism and energy. When you are able to do this, you will have more energy and increased calorie burn for 24-36 hours after your workout ends!