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TRAIN

FOR YOUR

ADVENTURE 

What is FIIT?

Full-Intensity Interval Training 


The FIIT Co. classes are designed to inspire and motivate the athlete in all of us. Our classes are high-energy, high-intensity, high-focus, and will motivate you to push yourself to new levels while training for
a life of adventure. 

We are proud of the dedicated FIIT Co. community and the collection of classes that aim to give our members effective workouts that are created by our team of trainers but shaped by you.

Classes

 
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HeavyFIIT

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FIIGHT

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FIIT Inferno

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A Note from Our Founders

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“After working in the fitness industry for over a decade, we have a shared vision that is focused on providing a place where people can come to train regardless of their fitness background. Our mission is to transform the relationship our members have with exercise to be more focused on training for whatever adventures inspire their daily lives.

We’re all about motivating each other to reach our personal fitness goals, whatever those may be. So to everyone who steps through our doors, we challenge you to challenge yourself, and we are here to support and push you every step of the way. ”
— NED MATHESON & BRAD COOLEY

Testimonials

Testimonials

“Motivating environment and not as competitive as some other fitness studio atmospheres may make you feel. It was my first class and I’m so ready to go again! Thanks to Lisa for the attention to detail to make sure I was doing the movements correctly and effectively. She made a newby who has never lifted anything over 10lbs feel super comfortable! The bare feet freaked me out at first BUT I know how great it is for all your alignment and muscles and their studio was VERY clean.”

“The FIIT Co is an excellent place for those looking to build strength, endurance, and get a good sweat in. I was regularly attending OTF and decided to try The FIIT Co and was shocked how out of shape I felt. Since working out at The FIIT I feel strong and healthy, and love that class always feels exciting and fresh. I highly recommend this place and consider it top of class in Denver.”

“This is simply an amazing gym, with amazing instructors, that produces amazing results. I’ve tracked my heart rate and calories burned with multiple physical activities and workouts and this is by far the most efficient and effective workout I’ve even been a part of. The FIIT workouts hit all your muscles and blend cardio and strength exercises seamlessly. The biggest plus for me has been the rehab for a torn ACL recovery. After a couple months of training at The FIIT Co, my repaired knee is actually stronger than my pre-surgery knee and I’ve been cleared for all normal activity ahead of schedule. You should give it a shot!”

“The best gym in Denver! The variety in the workouts guarantee it will always be challenging and rewarding. Plus, it’s super efficient and fast! You’ll work harder in under an hour than most people do in a regular gym for an hour or more. The trainers and community are really the best part. Good people, great results.”

“The workouts are hard AND fun! The trainers are super attentive and encouraging. The atmosphere is inviting and energetic. And the culture will hook you instantly. Results are just an added benefit.”