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BE the best.

Strength and performance training for athletes and adults

BE the best.

Strength and performance training for athletes and adults

get to know us

Wonderfly Athletics is a premier functional training gym in the Baltimore area. We work with athletes looking to build mass, jump higher, and run faster. We work with adults looking to lose weight, put on muscle, or just feel healthier. Whatever your goals, we will help you achieve them. 

  • 13,000 square feet
  • State-of-the-art turf field
  • Elite training staff
  • Basketball court
  • Strength training equipment

Wonderfly Arena, 4811 Benson Ave, Arbutus, MD 21227

Our Programs

Bootcamp & HIIT Classes

Join Wonderfly Athletics as we unveil our brand new Bootcamp program, Ignite410. If you want to start finally seeing results and getting the body of your dreams, then you do not want to miss out on this opportunity. Ignite410 is a revolutionary functional fitness program that offers not only workouts but nutrition guidance and 24/7 support. When you work with us you will reach your goals, guaranteed. Don't believe us? Hit the learn more button now!



Hiit Classes


Athlete Training

Athlete Training

Premium, science-backed training options for athletes at all levels. We specialize in creating more robust and well-rounded athletes. Speed and strength are important, but performance is maximized when power, flexibility, mobility, and balance are treated equally as important.





Adult Training

Adult Training

Tired of not knowing? Tired of not seeing results? If you've tried everything and aren't seeing results, we can help you. It starts with your mentality and how you view health and wellness. If your focus is to "lose weight", we are not the place for you. Instead, you need to aim for performance based goals and the rest will come. Not quite sure what that means? Smash the button below to get in touch.

Feel  healthier

get Stronger

Build Lean Muscle

Get Lean

Open Gym

Open Gym

Wonderfly Athletics isn't your typical gym. Our Open Gym program is a completely immersive experience that offers more than just a place for you to workout. With every Open Gym membership, you receive access to our workout and exercise demonstration database, access to our elite training staff, custom nutrition advice and 24/7 support. It's impossible to fail here. We aren't taking everyone, so hit the button below to see if you qualify! 

Custom Nutrition

Custom workouts

Nfl Grade Turf

high end equipment

Who We are

Wonderfly Athletics specializes in sports performance enhancement. We make athletes more robust and more well-rounded, allowing them to reach their maximum potential. You don't have to be an "athlete" to work with us. We believe that performance based training is how every adult should attack their health and wellness. The physiological benefits of this type of training are unmatched! When you train like an athlete you age backwards. You bring back that pep in your step and feel like a teenager again. All you have to do is show up and we will do the rest!

Our Trainers

Jordan millhausen

Founder and head Trainer, Lacrosse specialist

Jordan Millhausen is the founder of Jb Performance. He is a NASM certified trainer with a NASM PES (Performance Enhancement Specialization).  His goal is to make people more confident through the art of training like an athlete. He specializes in lacrosse skills and performance training with over 15+ years of experience playing the sport. 

Corey bailey

Football specialist, strength & footwork

Corey Bailey is a Master Trainer and strength specialist with Wonderfly Athletics. While playing DII football, Corey received his degree in Exercise & Sports Science from Frostburg State University in 2018. Corey's goal is to make strength training a staple in everyone's workout plan no matter your age or gender. If you are looking to get stronger or faster, he is your guy.

danielle forrest

Corrective Exercise, Basketball Specialist

Danielle Forrest is a Master Trainer, basketball skills trainer, and weight loss specialist with Wonderfly Athletics. Danielle is a former 1,000 point scorer, 1st team all region player, and played D1 at Morgan State University.  She is an ACE Certified Personal Trainer, Kettlebell Specialist, and a TRX Qualified Trainer. 

Michael Atunrase

Celebrity Trainer, Weight-loss & Sports Performance

Michael Atunrase joins the Wonderfly Athletics team as a special guest trainer. Michael is a former NFL athlete and the creator and head coach of Resilience Fitness, our virtual class host. He is a thought leader in the health and fitness industry with over 10 years of experience working with adults, scholastic sports, and professional athletes.

Maddy Miller

Women's Lacrosse & corporate wellness

Maddy is a Master Trainer, lacrosse skills and performance trainer, and corporate wellness specialist with Wonderfly Athletics. She is a NASM certified personal trainer and former collegiate lacrosse athlete. She has extensive experience working with adults in the corporate wellness setting and teaches a variety of group exercise classes. 


50+ 5 Star Reviews. 99.9% Customer Satisfaction.

  • 5 star review  Great team of trainers! They are passionate about helping their clients achieve their goals and have the knowledge to do it. Extremely knowledgeable so they can tailor your workout to... read more

    thumb Hunter Shelton
    October 12, 2020

    5 star review  Proud to use this gym and build with them, place is up to par with any private gym in the Baltimore, I actually hold basketball training their myself and they... read more

    thumb Alvin Parker
    January 16, 2021
  • 5 star review  I came across an advertisement on social media and decided to give Jordan a call. He’s professional and works well with my unpredictable schedule. Corey and Danielle worked me OUT!!... read more

    thumb Katrina A. Gray
    November 26, 2020

    5 star review  When I first started with Jordan, I wanted to get back into shape. Once I sat down for the nutrition consultation I knew Jordan and his team were legit. After... read more

    thumb Jake Ford
    January 16, 2021
  • 5 star review  I have had a wonderful experience with my training sessions. I am already seeing results after a few weeks! I highly recommend if you want to get toned, strong and... read more

    thumb Brooke Hollingsworth
    November 25, 2020

    5 star review  When I first started with Jordan, I wanted to get back into shape. Once I sat down for the nutrition consultation I knew Jordan and his team were legit. After... read more

    thumb Jake Ford
    January 16, 2021

Our location

Just minutes from Baltimore, Catonsville, and Howard County!

Wonderfly Athletics

4811 Benson Ave
Arbutus, MD 21227

We’d love to talk!

We’d love to talk about what matters to you.

Complete the form below or call (410) 280-7765