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410-280-7765

Open GYm

Join the hype, Join Jb Performance.


Not your typical gym

This isn't your typical gym membership. Jb Performance is revolutionizing the way gyms are operated. Standard gyms only offer a place to workout. No support, no help, nothing. With us, you're guided every step of the way. Our Open Gym membership comes standard with unlimited access to our workout and exercise demonstration database, access to elite training staff, nutrition counseling, 24/7 support, and so much more. 

  • 13,000 square feet
  • NFL grade turf field
  • Basketball court
  • Weight loss specialists
  • Strength training equipment
  • Outdoor space w/ huge tires

Wonderfly Arena, 4811 Benson Ave, Arbutus, MD 21227

100%
Custom Workouts

24/7
Goal-Based Support

100%
Custom Nutrition

100%
Clean and Safe

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. 


Our location

Just minutes from Baltimore, Catonsville, and Howard County!

Wonderfly Athletics

4811 Benson Ave
Arbutus, MD 21227


OPEN GYM TIMES

  • Monday - Friday: 5:00am to 12:00pm
  • Monday - Thursday: 4:00pm to 6:00pm
  • Saturday: 5:00am to 10:00am
  • Sunday: 5:00am to 10:00am

We’d love to talk!

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

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