Personal Trainers in Haltom City, TX

I provide private, one-on-one and partner training sessions wherever you feel most comfortable—whether that’s your home, a nearby park, or even your apartment gym. I bring fully mobile, professional-grade equipment to every session, so you never have to compromise on quality. I also offer training in my private home facility, designed to mimic a clean, professional studio without the crowds, wait times, or distractions of a commercial gym. I specialize in corrective exercise, weight loss, and hypertrophy, and I tailor every program around your individual movement patterns and goals. My approach is progressive, methodical, and backed by over a decade of experience. Most of my clients stay with me for several years, not just because of results—but because of the experience, trust, and connection we build together. But what truly sets me apart is my story. At birth, I was diagnosed with Klippel-Trenaunay-Weber Syndrome—a rare vascular disorder that affects blood vessels, bones, and soft tissues. This has led to years of surgeries, including aneurysm repair, tumor removals, partial muscle removal in my right leg, and complete reconstruction of my chest due to a separate condition called Pectus Excavatum. Doctors told me I would never be able to squat or sit or stand for long without pain. And they were right—I live with chronic pain every single day. I’ve weighed as much as ~240 pounds and dropped as low as 115 at 6’3”. I’ve been told what I can’t do more times than I can count. I’ve been prescribed up to 30 pills a day. But through years of trial, therapy, physical rehab, and sheer willpower, I changed my path. I swapped out medication for movement. I transformed my pain into purpose. I’ve lived on every end of the spectrum—weak and strong, broken and rebuilt—and I bring that level of empathy and grit into every session I coach. I don’t just train people—I teach, lead, and walk alongside them. I understand what it means to feel stuck in your body or discouraged by setbacks. But I also know what it takes to move forward. I’ve lived it. This work isn’t just my career. It’s my calling. My passion for fitness changed my life, and now I dedicate myself to helping others find that same freedom and confidence—regardless of where they’re starting from. If you’re looking for someone who blends science, empathy, experience, and relentless support—you’ve found him.

I have been passionate and immersed in the fitness, nutrition and health world for a decade now. I believe that health is the root of the potential someone has to progress in other areas of their lives. I treat each client as an individual of their specific body type, needs, desires and goals. Whether it is 1-on-1 personal training, detailed nutrition guidance, or just overall healthy lifestyle habits, I have the whole wellness package for you here. I meet each person where they are. Whether you are training for a sport or just want to lose some weight for a vacation. All levels of health and fitness are welcomed. No cookie cutter meal plans or fitness plans. I would like to get to know more about you and your health goals! I offer a free online assessment then a 15 minute phone call so I can learn more about your health goals and to see if your wants and needs are aligned with the services I provide. If you wish to proceed after that, you would make a payment then I would develop a detailed specific lifestyle, nutrition, and/or fitness plan for you then have an hour-long consultation going over it with you. Follow up appointments and pricing will be discussed if needed. All personal training will be at my private training studio. rootlifestylefitness.com I also offer virtual training.

Based in the Dallas-Fort Worth Metroplex for in person training and nationwide for virtual/remote training. Hello Everyone! Thanks for swinging by to check out my profile. My name is Marc Lassalle, I’ve been a Personal Trainer & Nutritional Coach for 13+ years, and I’m based out of my private training facility in Northlake, Texas, at TexAss Strength Method. I have been in this line of work for most of my life with the same foundation since day 1: having a genuine passion & purpose to helping others become the best versions of themselves. The foundation of the method is not only to create some life changing results, but some Texas Built strong ass individuals! Whatever the goal may be: improving general health, increasing athletic performance, losing body fat, building lean muscle mass, strength & conditioning, the TexAss Strength Method will get you where you want to be. If you’re ready to join the winning team, and create long term/sustainable results, let’s chat! Looking forward to hearing from you.

The Functional Lab focuses on the body, mind and soul. We provide personal training, nutrition counseling and health and wellness coaching through ONLINE FORMAT ONLY. We follow a client centered approach meaning we meet you where you are and create a program you are confident to be successful with. Your Deep Health is our passion, contact us today to see how we can help you learn to live your best life!