Personal Training

Reach Your Individual Fitness Goals


Every individual has different fitness goals and is at a different place in their fitness journey. Progress should be based on where you are at, not where someone else is.

When you visit MJ Fitness & Kickboxing in Danbury, CT for a personal training or weight loss session, you’ll get the individual attention you need to get closer to achieving your goals. During your one-on-one personal training session, the focus will be on you the whole time. You can expect to be pushed and motivated by a talented personal trainer.

Contact us today to sign up for personal training sessions at our gym in Danbury, CT.



If you’ve been working out on your own for a while but aren’t seeing any progress, you’ll likely benefit from the help of an experienced personal trainer in Danbury, CT. Whether your goal is weight loss or strength building, your personal trainer will help you reach your fitness goals during your sessions. Personal training offers many amazing benefits, such as:

  • Establishing consistent routines
  • Increasing drive and motivation
  • Reducing the chance of injury
  • Customizing workout regimens
  • Improving mental clarity and health

What We Offer

OUR programs

full body workouts that leave you energized

go beyond your limits

Our Clients Believe in Us

Here Is What They Are Saying

commit to health and fitness


When searching for the best fitness group programs or personal training, look no further than MJ Fitness & Kickboxing in Danbury, CT. Our trainers have years of experience in the fitness industry and numerous certifications. When you visit our studio, you can expect nothing less than a challenging and effective workout that will leave you feeling stronger and more capable than before.

We offer a variety of different options to meet your individual needs, such as:

  • Fitness Boot Camp: Get serious about your fitness and commit to a challenging workout.

  • StrikeFit Kickboxing: Challenge your entire body with a nonstop, action-packed session.

  • Personal Training: A workout uniquely designed for you to help achieve your fitness goals.

No matter what your fitness goals are, we can help you achieve them one workout at a time. Visit our studio in Danbury, CT, today to speak with a personal trainer about our fitness programs.

Train With Experts

MEET our Founder

Meet our dedicated personal trainer

At MJ Fitness & Kickboxing, our mission is to help you reach your fitness goals through our personal training sessions or different fitness programs we offer at our studio in Danbury, CT. Whether you want to lose weight or build muscle, we will give you one-on-one attention and do our best to make you succeed on your fitness journey.

When you visit MJ Fitness & Kickboxing, you will benefit from a personal trainer who is truly invested in health and fitness. Owner Mariusz “MJ” Janicki is always staying up-to-date on the latest and greatest training methods so he can provide the most effective workouts possible. Whether you are taking our fat burning group classes like Bootcamp or StrikeFit, or a One-on-One Session, we will challenge your body and mind, improve your health and confidence.

Mariusz has extensive knowledge and experience in the fitness industry and holds a variety of certifications, including:

  • A master’s degree in physical education
  • Body building and strength sports certification
  • ISSA personal training certification
  • ISSA Professional Nutritionist Certification
  • Martial arts instructor certification
  • CPR/AED certification
  • Boot camp instructor certification

former European full-contact karate champion

Our founder has also been featured in Westchester & Fairfield County Business journal.

Read the article

By Phil Hall – October 28, 2019
Westfair Business Publications