Austin's High-Intensity Gym
Ironcore Fitness is Austin's go-to gym for busy people who want to sweat hard and see real change — fast.
Whether you're a busy mom squeezing in 45 minutes or an office worker burning off stress, we've got the high-intensity workouts that actually work.
500+
Members Strong
45
Min Sessions
100%
Sweat Guaranteed
What We Do Best
Three killer programs designed to torch fat, build strength, and keep you coming back for more.
Our flagship 45-minute high-intensity interval training class pushes you to your absolute limit and then some. Burn up to 600 calories, boost your metabolism, and feel unstoppable — all before 8am if you want. Perfect for any fitness level.
$49 / 4-class pack
Barbells, kettlebells, and bodyweight — Strength Forge builds real, functional muscle you can actually use. Led by expert coaches who care about your form as much as your gains. Six weeks to a stronger you.
$79 / month
Designed specifically for the time-crunched Austin professional — Rapid Burn delivers a full-body workout in just 30 minutes flat. No fluff, no filler, just maximum effort and maximum results on your lunch break or between pickups.
$39 / 4-class pack
Our Story
Ironcore Fitness was born out of one simple frustration: gyms that feel intimidating, overpriced, and way too complicated. Jenna Rivera opened Ironcore right here in Austin, Texas with a mission to create a gym where any person — any body, any schedule, any starting point — could walk in, work their tail off, and walk out feeling genuinely better about themselves.
We believe fitness should be loud, sweaty, and straight to the point. No gimmicks. No confusing machines you need a PhD to figure out. Just hard work, great coaching, and a community that actually cheers you on instead of judging your form. That's the Ironcore way — and it's been working since day one.
Our members aren't professional athletes. They're busy moms sneaking in a 7am class before the school run. They're office workers who need 45 minutes of pure sweat to decompress after a brutal workday. They're people who tried every other gym and finally found a place that fits their actual life. We're proud of every single one of them.
At Ironcore, our values are simple: show up, give everything, support each other, and never make excuses. Jenna keeps the floor small and the coaching personal, because she knows that's where results actually happen. If you're ready to stop waiting for the "right time" and start getting results, Ironcore is where you belong.
Jenna Rivera
Founder & Head Coach
500+
Active Members
5★
Avg. Rating
Life at Ironcore
HIIT Inferno in full swing
Saturday Bootcamp crew
Kettlebell conditioning
Rapid Burn — lunch rush
Boxing conditioning rounds
Members celebrating wins
Real Members, Real Results
★★★★★
I've tried four different gyms in Austin over the last three years and nothing stuck until Ironcore. The HIIT Inferno class is absolutely brutal in the best possible way — I lost 18 pounds in my first two months. Jenna actually remembers your name and your goals, which makes a huge difference. This place is the real deal.
Marcus T.
Software Engineer, Member 14 months
★★★★★
As a mom of three, I have exactly 45 minutes to work out before the chaos starts again. Ironcore's Rapid Burn class was literally built for my life. I've been going three times a week for six months and I'm stronger than I was at 25. The coaches are tough but encouraging — they push you without making you feel bad. Absolutely love this gym.
Danielle K.
Stay-at-home mom, Member 6 months
★★★★★
I was a complete beginner who hadn't worked out in five years. I was nervous walking in, but within one week the whole community made me feel welcome. The Saturday Bootcamp session is now my favorite part of the week — sounds crazy but it's true. I've gone down two sizes and my energy levels are through the roof. Worth every single cent.
Priya N.
Marketing Manager, Member 9 months
Find Us & Visit
Ready to Start?
Fill out the form below and we'll reach out to schedule your first free class. No commitment, no pressure — just your first step toward something great.