Monday - Wednesday

8:00am - 11:00pm


8:00am - 12:00am


8:00am - 10:00pm


8:00am - 8:00pm


8:00am - 6:00pm

Primary Location: 562 Wylie Rd St. 17, Marietta, GA 30067


Leslie Newkirk

(Founder of NFitness LLC.; ACE certified PT and Group Fitness Trainer; CPR and AED certified)



I have always had a love for fitness and educating others on the importance of exercise and living a healthy lifestyle.  I believe that fitness isn’t just about looking good on the outside but most importantly, it’s about feeling good both mentally and physically.  I believe that this is what gives me the edge to help my clients achieve their fitness goals.


Why Should You Choose Me as your Trainer?

I have years of experience and knowledge in working with all ages and all body types

The workouts are fun and tailored to meet your specific needs

I educate you on how to make healthier food choices to jump start and maintain your weight loss

Most importantly, I love what I do and I would love to help you achieve your fitness goals and become the best version of “YOU” that you can be!!


Areas of Expertise

  • Weight Loss and Nutrition
  • Core and Functional Training
  • Weight Training
  • Group Training
  • HIIT (High Intensity Interval Training)