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About
Welcome to Fitness Surge,
Where you’ll be able to reach higher levels of strength and can become the healthiest version of yourself.
During my time in the US military I was taught how to become mentally and physically stronger and now my mission is to help others looking to achieve the same.
After the military, I obtained my bachelor's degree in Exercise Science because of the passion I have for health and wellness.
Fast forward to 2025,I have specialized in personal training. I implement all styles of exercise from running to high-intensity circuit training in addition to other categories.
Nutritional services are always included along the way which is just as important of the work in the gym.
I have gym locations in Gaithersburg and Rockville.
Let’s get started today 💪🏼
Overview
Hired 29 times
Background checked
1 employee
11 years in business
Business hours
Sun10:00 am - 5:00 pmMon10:00 am - 4:00 pm
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, Square cash app, Venmo, and Zelle.
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Exceptional 5.0
25 reviews
5
100%
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Read reviews that mention:
Shanika W.
Nov 1, 2021
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Hired on Thumbtack
I would rate all options if I could for Sergio. He is an excellent trainer. I am already starting to see results after a month working with him twice a week. I am about to move to 3 times/week.
Personal Training
Jess M.
Jul 18, 2022
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Hired on Thumbtack
My sister and I were visiting our parents for a week and reached out to Sergio for a few outdoor workouts while we were there. Boy did he deliver! He brought weights, a bench, boxes, slam balls, etc and we had a great (if sweaty) workout each time. Highly recommend!
Personal Training
Rosario S.
Apr 24, 2022
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Hired on Thumbtack
I have been working with Sergio for 6 months now and the results have been amazing. He is very knowledgeable and always tries to add different things to my workouts. Also I didn’t know much of anything when I first started and he has been extremely patient in teaching me proper technique and teaching me exercises I never thought i would be able to achieve. Needless to say I still workout with him 2/3 times a week because the improvements have been amazing. He also sends you workouts for when you workout on your own time and responds very quickly if you need to reschedule or for anything. 10/10 for you, Sergio!
Personal Training
Walter M.
Oct 4, 2021
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Hired on Thumbtack
Sergio is a very organized and knowledgeable trainer. He gives very effective workouts and checks in on your diet.
His gym is also very clean and efficient for serious sessions
Personal Training
Eric L.
Jul 15, 2021
•
Hired on Thumbtack
It has been fantastic to work out with Sergio. He is very clear and informative with his instructions and makes sure that you have a great workout every session. Highly recommended for anyone looking to start or further working on their fitness!
Personal Training
Credentials
Background Check
Sergio Maldonado
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Prices are dependent on how many times a client meets with me per week.
Online training is also an option.
What is your typical process for working with a new customer?
A new client and I always meet in person first to complete a complimentary first training session.
From there we’ll go over goals, scheduling, pricing, etc. to see if I’m a good fit for that potential new client.
What education and/or training do you have that relates to your work?
