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Fitness Surge

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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.

Social media

Instagram

Services offered
Event to prep for

Athletic event or competition

Vacation

Wedding

Fitness goals

Lose weight

Get toned

Build muscle

Gain flexibility

Client age

18 - 22 years old

23 - 30 years old

31 - 40 years old

41 - 50 years old

Projects and media
Projects and media
Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Exceptional 5.0

25 reviews

5

100%

4

0%

3

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2

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Read reviews that mention:


pro avatar
Shanika W.

Nov 1, 2021

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
pro avatar
Jess M.

Jul 18, 2022

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
pro avatar
Rosario S.

Apr 24, 2022

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
pro avatar
Walter M.

Oct 4, 2021

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
pro avatar
Eric L.

Jul 15, 2021

Hired on Thumbtack

Personal Training
Credentials
Background Check

Sergio Maldonado