Timonium NOW OPEN!

Become a founding member today!

BE The best.

A highly specialized training experience. 

Choose your preferred training location.



WHAT we offer





get to know us

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

  • Highly specialized training
  • NFL-Grade turf field
  • Dedicated Recovery Lounge
  • World-class training staff
  • Basketball hoops

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!

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.

Private Training

Private 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.

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! 


100+ 5 Star Reviews. 99.9% Customer Satisfaction.

[brb_collection id="6180"]

the team

Jordan millhausen

Founder and coo



Jordan Millhausen is the founder of Wonderfly Athletics. He is a NASM certified trainer with a NASM PES (Performance Enhancement Specialization). He has over 10 years of experience in the fitness industry working with everyone from youth to professional athletes. He specializes in jump training, calisthenics, and lacrosse. If you are looking to master your body control and become the most explosive athlete on the field/court, he is your guy.

Maddy Miller

Director of training

WOMEN'S LACROSSe/Weight-loss specialist


Maddy is a NASM Certified Personal Trainer and former DIII women's lacrosse player and coach. She earned a Bachelor's Degree in Biology at the University of Mary Washington. Maddy was a member of the women's lacrosse team in college, and after college wanted to continue her love for sports and performance training. She has experience working with lacrosse athletes as well as adults on their fitness journeys. Come join Maddy for an IGNITE410 fitness class to get your journey kickstarted!

tim rider

Speed and strength specialist focusing on soccer


Tim Rider joins the Wonderfly Athletics team as a Master Trainer with over 21 years of industry experience. He has a laundry list of qualifications; ACTION certified personal trainer, USATF Level 1, USATF Level 2 Sprints, Hurdles and Relays, NSPA Speed and Agility Certified, NSPA Weightlifting Performance Certified, and he holds a USA soccer coaching license. He has experience working with youth through adults from beginner exercise to advanced athletes. If you are looking for a highly qualified trainer to GUARANTEE success, he is your guy.

Dave Manning

Lacrosse, strength and conditioning specialist


David is currently the Head of Strength & Conditioning for Loyola University Maryland Men’s Lacrosse Team. He holds a master’s degree in Exercise Physiology from James Madison University and is CSCS certified. Prior to returning to Baltimore to work for his alma mater Loyola MD, David played professional lacrosse in the MLL from 2016-2020 and coached lacrosse at the collegiate and high school levels. David has experience working with athletes of all ages, sports, and abilities. Contact him for team, small group, or individual training and lacrosse lessons!

Kendrick Lowery



Kendrick Lowery played Division I football at Coastal Carolina University where he received his Bachelors in Exercise and Sports Science. Kendrick specializes in football skills and performance training.  If you are looking to gain muscle, run faster, and be more explosive, then he is your guy.

Tavion Mack

Football specialist, strength & Mobility


Tavion Mack is a Wonderfly Athletics Master Trainer and former D1 football player at Morgan State University. In high school Tavion was a star athlete in basketball, football, and track receiving a multitude of awards and honorable mentions. Tavion specializes in athlete development focusing on mobility, speed, and reactive abilities.

caroline harvey

Yoga, mobility specialist


Caroline grew up performing in theater & film, practicing yoga, and also playing soccer & tennis. Caroline is a certified yoga teacher (RYT-200) who specializes in adaptive yoga. When she’s not in the gym, she loves to get outside with her dogs!

Lindsay melvin



Lindsay Melvin played Division 1 lacrosse at George Washington University where she received her bachelors in Communication and minored in Exercise Science and Women's Studies. Lindsay has coached for competitive Baltimore area high school and club programs and enjoys private and small group training as well. She works with a variety of athletes ranging in skill levels from beginners to high school athletes working to play at the next level. Lindsay aims to improve skills and confidence and help her athletes reach their potential. 




Rachael Minnich played Division 1 soccer at West Virginia University where she received her bachelors in Sport Management. Rachael specializes in personal soccer training and strength training. She has over 20 years of coaching experience at the recreational and premier levels for boys and girls. She was the Director of the Recreational program at a high level club in TN and has her NSCAA National Coaching Diploma. She creates specialized programs for each athlete tailored to their personal needs for sustainable results.

Our locations

Wonderfly Athletics Catonsville 

4811 Benson Ave Arbutus, MD 21227

Wonderfly Athletics Timonium 

1913 Greenspring Ave Timonium, MD 21093


We’d love to talk!

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

Complete the form below!