10531 E. Northwest Hwy, Suite A, Dallas, Texas 75238


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The Most Unique Personal Training in Dallas

At Peak Zone Fitness, we're redefining personal training. Rather than the traditional one-on-one personal training model, which can be intimidating and high-pressure, we use small group training methods to foster a supportive environment where members can uplift one another and keep each other accountable. However, due to the small size of the group and our innovative tracking methods -- such as VO2 Max and metabolic testing -- you still get the customization and individual attention associated with traditional personal training. 

Just fill out the short form to learn more about Lake Highlands' best personal training program!



Workout Monitoring

Workout Monitoring


The board shows the current status of the members working out.



Peak Zone Fitness is personal training under a microscope! We removed the old way of doing personal training and designed a program for today’s, tomorrow’s and the future’s consumer. Peak Zone Fitness is so much more than just an in-person boutique fitness studio. Take Peak Zone Fitness with you no matter your lifestyle. We are:

  • Online
  • In-Person
  • On the go


Workout Monitoring


You can see that most of the members are right at the 80% with a couple of exceptions and so the trainers are busy slowing them down or stepping them up.



When you are in the facility you will receive 1-on-1 personalized training from Donny Day modifying your:

  • Rep Count
  • Tempo
  • Rest Period


Basal Metabolic Testing and Nutrition

Your Nutrition Perfected

Basal Metabolic Testing and Nutrition


After we perfect your workouts using the VO2 test, we will perfect your nutrition using a Basal Metabolic Test.





Besides getting the best one-on-one training experience. We also use our heart rate tracking technology to ensure a perfect workout every time. Monitors will track your:

  • Heart Rate
  • Calories
  • Heart Rate Zone


We personalize everyone’s monitor with our State-Of-The-Art Vo2 Max Testing and RMR testing. This will find your:


  • Aerobic & Anaerobic threshold
  • Most effective fat burning heart rate
  • Calories burned per session
  • How to master your metabolism
  • Most effective meal plan for your body



  • Awarded “MindBody Visionary 2019″
  • Awarded best exercise classes in Dallas for under $10 by D Magazine.
  • Awarded “People Love Us On Yelp” for 2016, 2017, 2018, and 2019.
  • Awarded “Best Trainers” in Dallas by Best Business’.
  • Awarded “Best Place to Workout in Lake Highlands”
  • Most class times available in any gym in the state of Texas (70+ class per week).
  • Highest rated program in Texas (over 600 Five-Star member reviews.)
  • 244 totally different workouts are scheduled so that you will only see the same workout once or twice per year.
  • Each day, one workout will run all day long with variations of the exercises personalized to each member and their fitness level.
  • We are open 7 days a week
  • We work around any injury you may have and work to resolve them using water rowers, suspension trainers, and digressions (modified versions) of different exercises.
  • We do 571 totally different exercises (4 to 5 times the average exercise program) to keep the workouts new, fresh, and progressive for best results.
  • We track your body composition every two months.
  • We progress your nutrition every two months.
  • We do your VO2 and BMR testing every two months. That’s $480 worth of testing free every two months.
  • We have an accountability tracking program, so if you don’t show up, we will go above and beyond to keep you progressing and getting results – Your progress and results are a huge priority at Peak Zone Fitness.

You’ll find a huge variation in workouts utilizing brand new performance trainers, water rowers, bosu balls, barbells, dumbbells, medicine balls, suspension trainers, kettlebells, steppers, and other equipment to keep things new and different.


We also cater to your every need outside the gym. You will have 24/7 message access to our Peak Zone Team and exclusive at-home/on-the-go workout plans. No matter where you are, there are no excuses with Peak Zone Fitness.
With our app you have:
  • 24/7 training access
  • At-home dumbbell follow along workouts
  • At-home full home gym app-based workouts
  • Nutrition/supplement/diet book
  • Trainer Tips and resources


Peak Zone Members' Results

Lose Weight - Mark Baxter
Mark lost 140 pounds in his first year and is still continuing his journey at Peak Zone Fitness
Lose Body Fat - Alex Bogan
Build Muscle - TJ Dillard
TJ gained 25 pounds of muscle
Overcome Injuries & Hormone Problems - Jan Robinson
Jan lost 100 pounds. She was at the same weight for over 35 years, had knee, shoulder, hip, and hand injuries, thyroid issues, and had tried many other fitness fads. If Jan can do it, anybody can.

Program History

Donny Day has many certifications by National Academy of Sports Medicine, Cooper Institute, American Fitness Training of Athletics, American Council on Exercise, Pilates, Personal Training Fundamentals, Corrective Exercise Specialist, Walking & Running Certification, General Nutrition, Sports Specific Nutrition, and The Fundamentals of Fitness through Bally Total Fitness.

Within the almost 15 years of his experience, Donny has mentored over 100 Fitness Managers, 1000 Personal Trainers and over 40,000 Clients to success in the art of program design, nutrition, and more. He has worked for Bally Total Fitness, LA Fitness, and Just Fitness. Withover 15 collective company awards to his name, and multiple large-scale program designs to his name, Donny has helped thousands of members reach their desired fitness level.

He has knowledge of big corporate gyms, 1-on-1 personal training, group classes, and every other system. With his vast experience, he created the Peak Zone Fitness program to fill what he saw as a gap in the industry: 1-on-1 personal training in a group setting that is truly individualized to specific client needs.

It’s a program in which clients are using science to eliminate guessing as well as giving every client a vast knowledge about fitness and nutrition. He created a program that not only gives clients the most knowledge possible but gives the trainers a greater collective wealth of knowledge than any single certification could. Peak Zone Fitness Trainers have to complete a 300-page book and 90-day training course before they begin running the program.

This is why Peak Zone Fitness has been featured in over 200 different media outlets including FOX, THE CW, The Advocate, and D-Magazine and why Peak Zone Fitness also has an unparalleled 600 PERFECT REVIEWS.

This program is unique because there’s never been anything like it and it is the result of the most comprehensive experience possible.

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