Testimonials

I started attending Erin’s classes last summer. My kids were out of school and the only time I could fit the gym in was early morning. It was the best thing that ever happened to me. After the initial fear and shock that all newcomers experience, I was hooked! Erin has a way of teaching that makes everyone want to work harder. She pushes you to go beyond your comfort zone. She yells at us and encourages us to work harder. Erin is passionate about fitness and truly cares about helping people change.

In the beginning of this year she started the “Big-Squishy-Loser” contest to help motivate people to make a big change. Many people go to the gym day after day, month after month and see no results. Erin wanted something different for us. As a group we continue to exercise, but now we are working together to eat better and make healthier choices. Erin is on call 24 hours for questions and support!  She holds monthly meeting to answer our questions and continues to cheer us on.

In December I started personal training with Erin and can’t believe the results in such a short time. Each session is tailored just for me and I have my own personal cheer leader to get me through each exercise. I have not only found the best trainer, I have found a wonderful friend who is an inspiration to all.
- Amy Forrest
Woodbridge, VA


Erin Reilly, aka Megatron, is the most amazing trainer, Body Pump and Step class instructor ever! She is dedicated to excellent health and fitness, driven, committed to her students/clients, and has a vast knowledge about fitness and good nutrition. She practices what she preaches and you will not find a more devoted trainer/instructor/all-around fitness buff anywhere.
- Maggie Bales
Woodbridge, VA

About seven weeks ago I decided the time had long passed that I needed to get my very overweight, out of shape body moving. Along with friends and coworkers, I joined a gym and modified my diet and began to make some progress, and then I met Erin Reilly. Erin was billed as the “instructor” for the Body Pump class I chose to attend on Tuesdays and Thursdays. It took only one class for it to become apparent just how big a part Erin would become in my success. I now attend Erin’s Body Pump and Body Step classes and use her for Personal Training to focus on my specific needs. In just a short period of time, through Erin’s training, guidance and motivational skills I have lost 18 pounds and 8 inches overall. When I started along this path I never thought I would be blessed with the likes of Erin Reilly, she has made all the difference in my results and my outlook.
- Debbie Eversole
Woodbridge, VA


Erin is an outstanding trainer that gets results!  She is able start from the client’s current state of health and fitness and build workouts that are both fun and challenging.  I was hooked on the adrenaline after only a few classes, and my enthusiasm to attend classes and training sessions continues after two years.  After working out with Erin, I feel stronger, healthier and am able to tackle more ambitious outside activities (hiking, biking) with improved endurance and confidence.
- Jordan De Namur-Paul
Woodbridge, VA

Erin is great, she really knows her stuff! She helps you with motivation, so you continue working out. She teaches you about nutrition, to help you reach your goal. Her workouts are just what you need, to conquer the rest of your day.
- Nina Roush
Woodbridge, VA

Erin “Mega” Reilly – Our Trainer, Our Inspiration, Our Friend – Erin is more than a trainer or group fitness instructor.  She takes the time to get to know each of her clients individually and learn their needs, what works, what doesn’t work, what motivates them or what may be holding them back from getting into the best physical shape of their lives.  She does this through a variety of ways and techniques that I have never experienced before in all my years of going to the Gym.  Erin motivates you to want you to come to class every day, especially when you least want to.  She motivates you to do 20 more pushups even though we are in BodyStep Class.  We all gladly do this because we know are bodies are getting stronger, leaner because of Erin’s direction and expertise.  I’m seeing women of all ages and all sizes drop clothing sizes like I have never seen before – all from Erin’s motivation and drive to keep her clients coming back – each and every day.  But, more than that we know she is our friend.  She is available to us 24/7 – I’ve never met anyone like her.  She truly has a gift.
- Julie Mazzoccoli
Woodbridge, VA



I’ve been training with Erin for 7 months.  She is passionate, motivating and devoted as a personal trainer.  She cheers me on and makes me accountable.  Thanks to her expertise, I’ve lost 12 lbs and 6% body fat.  She lives and breathes what she teaches and her dedication to fitness and health is obvious.  I know that I can depend on Erin’s guidance to get me where I want to go with my fitness goals.  In a word….Erin ROCKS!!
- Susan Lindeen
Stafford, VA

Erin ROCKS! Her classes are the only thing that will make get up at 4:30 in the morning. She consistently pushes us, she wants us to feel better about ourselves and our bodies, but most importantly, all her Ratzz can  tell that she truly cares about us.
- Paloma Corchon-Borrayo
Woodbridge, VA

Erin is the only person who can make getting up at 4:30 AM to be at the gym by 5:15 AM something I choose to do four days a week.  She is an extremely knowledgeable and talented instructor who knows how to help her clients get results.  She makes a personal connection with each one in the class and finds innovative ways to challenge and keep us engaged. She also brings her background as a professional chef to the table. Not only does she help clients workout and build strong bodies, she also is a storehouse of information about healthy and clean eating.

I am a 59 year old woman who, in the past year with Erin, has lost 27 pounds and gone down two pants sizes. I feel healthy, energized and strong. Thank you Erin!
- Kathleen Lundgren
Woodbridge, VA


Erin is amazing!!! She challenges you to your limit and doesn’t let you give up. I hate when I miss one of her classes because no one teaches like Erin. You can see that she has dedication to her “kiddz” and wants to see everyone succeed in their goals. Thanks Erin!!!!!
- Lisa Katzbeck
Woodbridge, VA


Erin is the best person to come into my life on a fitness level.  She is a real motivator that makes you want to be your best – healthy and fit.  I have lost more weight and become more toned since I started heeding her advice.  Her classes are fun but she never lets up on us.  Erin pushes us to do more and to never give up.  She genuinely cares about the people in her class and helps to make us feel like it’s worth all the time and effort.  The best part is how I feel about myself now that I’ve lost some of the weight I have needed to lose for a long time and I know I have the motivation and will power now to continue on my fitness journey.
- Linda Polk
Woodbridge, VA

The first time I met Erin Reilly, I wasn’t sure about her. She was subbing for our usual BodyStep teacher but, instead of just one “track ten” (the high-intensity part at the end), she made us do THREE. Well, I quit after number two…

I got to know who she really was, though, one day much later when she visited our class. While we were doing our hovers, I raised my eyes to see her holding up a struggling young woman whose first time it was. A few weeks later, I attended my first boot camp, where Erin was one of the instructors. She introduced herself to me (we had never spoken in class) and welcomed me from the very beginning among a group largely made up of her students. A few minutes later, while we were doing our crab walks, I fell and opened up my knee fairly badly. I kept going at the time, but when it became apparent a few minutes later that it was bleeding, Erin came to the line where I was, took my by the arm and said, “Let me see, sweetheart.” She took me to the back of her SUV and cleaned my knee. Through the rest of the morning, she spared no effort to encourage me in whatever effort I was making. I attended her early morning step class for the first time not long after that, where I saw for the first time how much effort she makes to reach out to everyone who comes through her door. She has built a gang of loyal RatZZ for no other reason than her skill at what she does and the depth to which she cares for everybody she teaches or trains. By no means does her coaching stop at the gym walls; Erin WILL chase you down on Facebook, Twitter or your phone to check in on what you’re eating. Her whole desire is that you do well and she will spare no effort to help a willing student attain to his or her goals.
- Matthew Henderson
Woodbridge, VA

Erin’s style of fitness is passionate and enduring.  It’s not a passing fad, but the recipe for a life-long journey health and  physical well-being!

- Linda Borostovik
Manassas, VA

I have known Erin for several years and she has always been able to maintain a balance between being a coach, cheerleader, friend, and role model for her students.  She has a unique way of reading her students’ personalities and applying the right type of support that they need to accomplish their goals.  She wants nothing more than to see her students succeed in their goals and shows a personal interest outside of the gym in her clients achievements. She adds humor to very challenging workouts as a way for students to finish and is known to find innovative ways to continue pushing her clients and students. She has successfully created a supporting team atmosphere to her 5:15 and 5:30 am classes during the week, and 8:00 Sunday morning classes that I don’t think any other instructor could have done.  This team regularly stays in touch outside of the gym and in a way are each others accountability partners.  I am glad to be part of her team and look forward to continually improving my fitness and increasing my strength with Erin.
- Valerie Dix
Woodbridge, VA


Erin Reilly has changed my life and she truly is a blessing from God. Erin has given me the strength to work harder than I have have ever worked in my life to lose weight and because of her I feel amazing! Erin, even though I have only known you for a few months now, I just want to tell you that you are considered my Friend, Hero, and my Role model and it is true you are the person who is changing my life. Erin Reilly is a caring, loving human being who deserves a lot of things! Erin does many things for a lot of people. She gets up way too early in the morning to come to the Gym and teach class to a bunch of women and myself, but I think she does it because she likes to and she Loves all of her GYMRATZZ! So thank you Erin for being my Role model and a Role model to many other people.
- Christianna Mazzoccoli, 16 yrs. old
Woodbridge, VA

I have never committed to any type of official exercise for more than five days, until I met Erin Reilly.  Erin Reilly, better known as Mega, has been a motivator, teacher, and friend to me and so many others trying to get healthy and change their life style.  I love food and to cook and not the good kind, but Erin has shown me ways to eat food to change my body to the way I want it to look.  I make mistakes time and time again, but Erin is there to pick me up and encourage me not to give up and to keep fighting.  This is a fight for me and not a fun one – who likes to exercise and feel pain in your muscles, but because of Erin I love working out with her and her followers. Since November I have committed to fitness and to changing my body.   Each of Erin’s personal sessions are customized to what you need to work on and she pushes you to achieve the person you hope to become.  Her kindness and compassion to all of her fellow Gymratzz is contagious and together all of us push each other to our goals.  Everyday I get closer to where I want to be physically in my life and I owe it all to Erin Reilly.
- Cherish Reale
Woodbridge, VA


It is difficult to explain the impact Erin has on so many of us at Gold’s Gym. She is a motivator, inspiration, and a friend all in one.  I have been a member of Gold’s Gym for 18 years (although Erin would tell me that I don’t look like it) and I have taken thousands of classes but there has never been, nor will there ever be an instructor like Erin. She makes her classes extremely difficult, tells you like it is, makes you do several push-ups, she may tell you to shut up, yet everyone loves it. Her classes are the most full in the gym, even though they are at 5:00 AM.  She is beautiful, energetic, and enthusiastic each day.  Erin gives us her best and tells us that we deserve to give ourselves the best as well. She is an amazing person!
- Felicia Lawson
Woodbridge, VA

I have had the pleasure of knowing Erin for about four years, both as a trainer at Gold’s Gym and as a friend too!  I had been going to the gym for about a year before Erin showed up.  When she first came in to class with her long blonde hair and her big, warm smile, I must admit she didn’t seem too tough even though she could lift some mighty heavy bars!!!  And for the first one or two classes, Erin was pretty much by the book, your standard fitness trainer.

Then, she got to know me and the rest of the class and we certainly got to know Erin…the real Erin, that is!  Erin had a way of making me push myself that little bit more. She knew what I was capable of…I just didn’t necessarily know it myself!  With her sense of humor and her teasing/motivating ways, Erin has kept me entertained and still interested in coming to class early every morning for the last few years!!!

Recently, Erin has raised the bar even higher (and heavier!).  With her recent venture: Gymratzz Inc., Erin has made me and many others her “Gymratzz” family.  She works tirelessly to show her Ratzz how we can improve our level of fitness and she makes us accountable for both our action (what we’re eating) and our inaction (why we didn’t come to class.)  In fact, Erin takes very little down time for herself as she is always thinking of ways to help us achieve our health and fitness goals!

Erin is also known as “Megatron” or “Mega”. Once you get to know Mega, you will see that she does nothing in small measure!   She will work you hard, to the point where you think you have nothing left to give.  But then you will find a way to dig a little deeper and you will walk away from her session well pleased with the level of effort that she has been able to pull out of you.

I am so glad that Erin walked into my gym class those few years ago and that she is walking with me and so many others now on our journey to a life of clean eating, good health and optimum fitness. Thanks Mega.
- Denise Searles
Woodbridge, VA

There are a lot of words that I could use to describe Erin Reilly; strong, powerful, in control, caring, knowledgeable, inspiring, energetic, persuasive, motivational but the one word I would chose above all of these is dedicated.  I have been working out with Erin now for two and a half years and she continues to push me and encourage me to be the best that I can be.  When I first started working out with Erin, I had just lost a significant amount of weight and wanted to make sure that I kept it off.  I was smaller but I was “squishy”.  She motivated me so much that I WANTED to work out six days a week and I WANTED to eat healthy meals.  It was no longer a diet for me, it became a lifestyle.

Erin is a personal trainer and she also teaches group fitness classes.  The people that she teaches and trains are called her Gymratzz.  She has taught us that Gymratzz are committed to a healthy lifestyle, we support other gymratzz to achieve their goals, we don’t cry, we love push-ups and we NEVER give up! She is always reinventing herself and the classes that she teaches so that we never know what’s coming next.  On top of that, she inspired a classroom of over 35 people to participate in a biggest looser contest in January 2010.  She created books for everyone with information about fitness and health and included a journal where we are able to write down what we eat daily.  Every morning people bring in their books for her praise or her scrutiny.  Before class begins, people are gathered in groups, excited to share their successes.  It is Erin’s dedication that has motivated each and every one of us along our fitness journey.  I could never have done it without her.

- Kim Stanley
Woodbridge, VA


Training with Erin Reilly transformed my mind & body.  You get a workout where limitations are lifted and  music beats motivate your every move.  Your fitness is Erin’s priority.
- Gina Harps
Woodbridge, VA

When I first met Erin Reilly, I was 19 years old and 20 pounds overweight. I was also lacking a lot in confidence both physically and mentally.  When I was 18 I had shoulder surgery which cut off my competitive swimming career. I recovered from the surgery, but did not continue swimming, and did not do any other form of exercise. My excuses to myself were that I wasn’t strong enough and that I was young enough that I shouldn’t have to worry about working out or watching what I ate. When I met Erin, all of those excuses vanished. Erin is a stocky blonde with arms of steel, a penchant for push-ups, and such a crafty way with sarcasm that she could make a profession out of it. She also truly cares about each and every person that she encounters in her classes. From the youngest to the oldest, the strongest to the weakest, she is always there in our faces to motivate, challenge, and lead. She is an inspiration to anyone who thinks that they can’t have the body that they have always wanted. Erin has helped me get fit, and continues to help me on my fitness journey. She has also helped me in life to become stronger and more confident both mentally and physically. She is my guardian angel in Under Armour, and she is Erin Reilly.
- Lea Mazzoccoli
Woodbridge, VA


Erin is so passionate about fitness and deeply caring with her clients, but I also admire how she pushes me out of my comfort zone both mentally and physically at the same time.   I look forward to Erin’s workouts everyday!  She reminds me that I’m stronger and capable of much more than I ever thought possible.  Her workouts are never easy; I’m still learning, growing, and succeeding. I’ve been a “Mega” fan of Erin’s high intensity training methods for 3 years.  She is tough but she is pretty likeable.  Her Saturday morning Boot Camps are intense and her “no bull” approach is always refreshing. Without a doubt, if you invest in personal training with Erin or attend her Boot Camp sessions, Erin will get you in the best shape of your life.
- Ed Cadogan
Woodbridge, VA

Erin is an inspiration to all for her health and fitness. Her Mega personality and knowledge of fitness makes her group fitness classes fun for all levels of fitness. She challenges you to move beyond your current fitness level by motivating and coaching you. She is a dedicated fitness professional who is unique and innovative. If you dare to listen and follow her she will move you towards your ultimate health and fitness. If you don’t then 20 push ups and listen again to her! Thanks Mega! I appreciate all your hard work and energy that you bring to class every single day! You are one of a kind.
- Cheryl St Amant
Woodbridge, VA


I’ve known Erin Reilly for four years, and have seen the impact she has had on hundreds of lives. Because she is so knowledgeable about nutrition, strength building and aerobic activity, some would call her a “fitness guru”. She is a fitness coach, a mentor, a drill sergeant and a cheerleader when we need one the most.  She leads by example, combining wit and charm with knowledge and fierce tenacity.  Those who come to her understand that she truly does care about us, and her desire is to help us all be our most fit.   I liken her to trainer who stands just outside the fighting ring, giving us insight into where we are dropping our guard.  She tells us how to improve and sends us back into the ring, letting us know she’ll be there when we get out, to train us and make us better still.  For me, fitness is the fight of a lifetime, and I choose Erin as my trainer.

- Angela Montgomery
Woodbridge, VA


Erin has an extreme passion for her Ratzz. She treats each of us as unique individuals, with our own special needs, and yet at the same time, draws us together as a family. She has built an exceptional support system for us in order for us to obtain our own goals.

- Sandra Bies
Stafford, VA

Erin Reilly, aka “MEGA” is many things to many people.  She has the uncanny ability to recall minute details, people’s names, workout (formerly known as “exercise”) routines and health related facts. She is extremely knowledgeable about a host of subjects and continues to educate herself and those around her.  Although she claims she is “not a doctor” and we should not seek medical help from her, the very fact that she is asked those questions is proof positive that her clients and students trust her with their health and wellness.

Erin is tenacious!  She does not give up on her clients or students, even if they look the same now as they did 3 or 4 years ago.  She puts her thoughts and expertise into dreaming up new ways to motivate them.  She writes books to stimulate a change in behavior.  She selflessly spends personal time on new ideas, methods and techniques to reach someone who is not achieving their fitness potential.

Erin truly cares.  She is sensitive and considerate.  She is a faithful friend and an extremely self-disciplined person.  She is a living breathing workout machine whose knowledge of the human body and what it can do is amazing.  If you are looking for a personal trainer to guide you safely to whatever your fitness goal might be, Erin Reilly is the person you are searching for!
- Carol Moonan
Woodbridge, VA

My journey with Erin began almost exactly one year ago.  In that time, I have lost 30 pounds, 25+ inches, 4 sizes down, reduced my cholesterol 30 points into normal limits, ran/walked a 1/2 marathon, changed my eating habits and lifestyle to include the gym as a normal part of my daily life. My husband has also lost 30 pounds!  We are all healthier!  Erin’s inspiration and powerful motivation have been invaluable to me and while I still have another 20 pounds to go to meet my ‘goal’; I carry all the tools and knowledge I have learned from Erin to succeed.  I know if I ever need a kick in the pants she is there to help me overcome any obstacle which may block my path to meeting my fitness and health goals; her motivation is endless.  Erin truly cares about her clients and feels it her mission to help them achieve their fitness objectives, and she goes above and beyond to get the job done. Erin is very knowledgeable in everything fitness related and particularly how food impacts or impedes progress and guides her clients into healthier, ‘cleaner’ eating habits. “Food is fuel” for the body, nothing more, nothing less. I am impressed with Erin’s ability to take me out of my comfort zone and to make me feel like I am having fun doing it. LOL!  Thanks for everything you do Erin. Keep up the great work!

- Amanda Mills
Fredericksburg, VA

When it comes to fitness, Erin is your woman. When I think of Gold’s Gym, Erin comes to mind, as she is the top notch fitness trainer/instructor there. I think that without her Gold’s Gym would be just another gym.  She has a you-can-do-it attitude no matter what level of fitness you are at. She is tough, she pushes you and make you want to take your fitness level to the highest level you can go.  Although her choice of words to motivate you may not always be sweet she really cares about each individual and want you to improve your fitness level. I really love being a part of her early morning team and will continue to keep coming back until I meet my goal and then some.  Not only is she a part of the Gold’s Gym team but she has incorporated her own fitness business, where her one on one training is awesome.  I know because I have had the privilege to work with her at her private studio, Gymratzz.com and it is an outstanding facility. I believe that one day Erin’s Gymratzz corporation will be a nationally known company and Erin will have an effect own many people desiring to be fit and change their body.

- Brenda Johnson
Woodbridge, VA

Mega ‘a lot of ‘

When I first met Erin I was scared.  I did not have a workout ethic to speak of.  She is so confident and powerful I thought she would just assume I was a mess and what could she do for me? Well what she did for me was inspire me to want to be better.  The first day of step I was (and still am )somewhat clumsy .I fell on the first squat, but got up and kept going.  She didn’t make me feel like an idiot or like anything was too much,;it was always  presented as: do what you can and then do more. When you talk to Erin before or after class she always makes you feel you are the most important person at that time. Yeah she’s tough and she’s
built tough and she wants you to be tough and the best you can be.  Just the “I’m proud of you, you’re doing great” and the little winks when she knows its a struggle are such a motivating factor.  The teasing in class, knowing everyone’s name (and nickname), she makes us feel welcomed and wanted.

I’ve tried several workout programs but NEVER has anyone made me feel that I could do this, or that I mattered in what was happening. Never did I think I would be someone who looked forward to getting up at 5am and working out.  Now I look forward to Sunday, Tuesday, Wednesday, Thursday, and Friday to workout and workout hard. I know that in the not too distant future my clothes will not be as tight, the scale will start declining, the clumsiness will get better, and I’ll be stronger, leaner and happier with my body. So Erin is ‘Mega’ —a whole lot of inspiration for a whole lot of early morning risers. I look forward to the day when Webster’s definition for Mega will say: “see Erin Reilly.”
- Diana Bradley

Lakeridge, VA

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