IRON SHARPENS IRON

Iron Flag Fitness is Westmont's premier CrossFit and sport performance facility, proudly serving the western Chicago suburbs. We specialize in CrossFit, HYROX race preparation, youth athletic development, and personalized training — all under one roof.
From first-timers to elite athletes, everyone belongs at Iron Flag. Every workout is scaled to meet you exactly where you are today.
Certified coaches who tailor every workout to your ability — guiding technique, intensity, and progress so you keep getting better.
Specialized programming for the world's fastest-growing fitness race — running paired with sled pushes, wall balls, rowing, and more.
One-on-one and small-group sessions for accelerated, customized results — the fastest path to your goals.
Age-appropriate training that builds confidence, coordination, and athletic skill for kids under 10 and developing teen athletes.
Nutrition coaching, recovery services, and open gym access — everything you need under one roof to train, recover, and thrive.
From group classes to personal training, we have the perfect program for every fitness level and goal.

Coach-led group classes that combine functional movements at high intensity — weightlifting, gymnastics, and conditioning — scaled to every fitness level.

Purpose-built programming for the world's fastest-growing fitness race. Running paired with sled pushes, rowing, wall balls, and farmer's carries.

Athletic development for teens and young athletes — speed, agility, strength, and coordination through age-appropriate programming.

One-on-one sessions with a dedicated coach, customized entirely to your goals — the fastest path to results.
Three simple steps to transform your fitness journey. No experience required.

Schedule a no-commitment intro session. We'll learn about your goals, show you around, and find the right starting point for you.
Sit down with one of our coaches to map out your path — CrossFit, HYROX, youth athletics, or personal training.
Pick your class times, walk through the door, and let our coaches handle the rest. All you have to do is be here.
Don't wait. Start your transformation today! 👇
Don't just take our word for it. Here's what our members say about training at Iron Flag Fitness.

"The Open events are amazing. The community support is unmatched!"
"Best gym I've ever been a part of. The coaches genuinely care about your progress and scale every workout so you're always challenged but never lost. I went from never doing CrossFit to competing in my first HYROX race in under a year."
"My kids absolutely love the youth program. The coaches make it fun while actually teaching them proper movement and athletic skills. It's given my daughter so much confidence — she's a totally different athlete now."
"I was nervous to try CrossFit at 45 with no experience. The intro session put me completely at ease. Six months in and I'm stronger than I've been in decades. The community here is unlike anything I've experienced."
"The personal training at Iron Flag is top-notch. My coach built a program around my shoulder rehab and I'm now lifting pain-free for the first time in years. Cannot recommend this place enough."
Everything you need to know before walking through our doors.
Schedule your intro session today and take the first step toward your strongest self. No pressure, no commitment — just a conversation about how we can help.
20 East Chicago Avenue, Westmont, IL 60559
Best gym I've ever been a part of. The coaches genuinely care about your progress and scale every workout so you're always challenged but never lost.
My kids absolutely love the youth program. The coaches make it fun while actually teaching them proper movement and athletic skills.
I was nervous to try CrossFit at 45 with no experience. Six months in and I'm stronger than I've been in decades.
The personal training at Iron Flag is top-notch. I'm now lifting pain-free for the first time in years.
Great facility, amazing coaches, and a welcoming community. The HYROX prep classes are legit.