OPEN 24/7
Real Gym,
Real Goals,
Real Motivation
About us
Welcome to FLEX FITNESS- Kansas City's home for serious training, supportive community & real results.
Over 17,000 square feet, a place where 1st time members, powerlifters, bodybuilders, athletes & everyday people train under one roof with the same goal: Become stronger & better than yesterday.
Founded by IFBB Pro Jason May, Flex was built on the belief that everyone deserves a facility with elite equipment, a welcoming atmosphere and a team that cares about your success.
Every piece of equipment has been deliberately picked from the best brands, in order to give you maximum results. We are constantly updating to give you the best!
what you will find at flex fitness!
- 17,000 sq feet
- Men's & Women's saunas
- Posing room
- Turf/functional area
- Strategically hand chosen best brand equipment
- Dedicated power lifting area
- Personal training & nutrition coaching
- Flex Fuel Bar for fresh shakes, protein snacks & meals to go
- Comfortable member lounge to relax, fuel up, connect.
- Swag shop and supplements
The atmosphere at Flex is one of the most motivating. As you step in the doors, you will automatically want to lift heavy, even on the days you aren't motivated. You can feel confident to flex in the mirror and be proud of the results of your hard work.
The culture of Flex is judge free and non-intimidating, no matter your fitness level. You will find the most supportive and encouraging gym family here.
We care about you and your fitness needs! Be a part of a progressing, top quality, disciplined, like minded fitness journey!
Membership & DAY PASS
12 Month Contract (auto renews yearly, early cancellation fee $300)
Month to Month, no contract (minimum 3 months required).
*Add additional family member/spouse for $10 off per month with a 12 month contract or month to month
$20.00: Day Pass
*NO REFUNDS WILL BE GIVEN. DO NOT sign up for multiple memberships.
-For door entry you will receive an email after purchasing. Please read completely and download the app with the link provided in the email. There is no door code.
PERSONAL TRAINING
Whether you're stepping into a gym for the first time or striving to reach the next level in your fitness journey, our certified trainers provide personalized coaching designed around your goals, experience, and abilities. Every session is built to help you move safely, train effectively, and make consistent progress.
We specialize in weight loss, muscle building, strength training, body recomposition, athletic performance, functional fitness, and bodybuilding. Your trainer will teach proper technique, provide motivation and accountability, and continually adjust your program as you improve.
At Flex Fitness, we don't believe in cookie-cutter workouts. We believe in building confidence, creating lasting habits, and helping every client become stronger—both inside and outside the gym.
Nutrition coaching
At Flex, we believe nutrition is the foundation of lasting results. Whether your goal is to lose weight, build lean muscle, improve your health or step on a stage, our coaching is tailored specifically to you.
There is no one-size-fits-all approach. Your lifestyle, schedule, preferences, metabolism, and goals are unique and your nutrition plan should be too. We work alongside you to develop sustainable habits, educate and provide accountability needed to help you succeed.
From 1st time clients to national-level competitors, out nutrition coaching is built around helping you become the healthiest, best version of yourself.
TEstimonials
Tara Hose
Flex Fitness in North KC is a gym that anyone and everyone can go too. Whether you are a beginner in lifting or experienced, an athlete or a person who likes to stay healthy, they have all you need. The equipment is the best around! I have been to many gyms and you will be hard pressed to find one with owners who care more about their members and healthy and fitness! People say atmosphere makes the gym and this one has it! The members care about each other! Some will chat others won’t but everyone respects each other in their Strive for Heath and Fitness! If you want a place to call home away from home this is it! Thank you FLEX for being my safe place! (Even if it hurts😎)
Rene W.
This is the best gym in KC and beyond! If you want a motivating atmosphere with a gym family that supports you- sign up. There membership prices can’t be beat. They are open 24/7 and the best equipment around!! Sign up for the gym is super easy on their website. The trainers have the most expertise in the KC area and are willing to help you with goals, equipment usage, nutrition etc…If you want to progress and knock your fitness goals out then this is the place for you. Love it here and highly recommend!
Chanel Cox
I've been a member at Flex for the last 2 years. They are constantly improving and upgrading. From new location, new equipment almost monthly and even expanding the current space. The gym is locally owned and really has a family feel to it. Everyone is welcomed and there isn't any cliques which can be hard to find. The gym owners actually listen to members wants/needs and try their best to provide a great gym for us. The gym is always clean and the equipment is maintained. If any piece breaks within a couple of days its fixed. It's really wonderful to call this place home and its truly a gem.
