Fitness Underground

Rated 4.8 out of 5, (25 Google reviews)

Are you curious about Fitness Underground? This fitness chain is a popular choice among consumers, as its located in Upland, CA, United States. Even if you are skinny or fat, you can go to Fitness Underground location in the area. Located in 1410 E Foothill Blvd Suite JK, Upland, CA 91786, this Fitness Underground is open six or seven days a week and you can check Fitness Underground working hours from our operational hour table. Fitness Underground offers strengthening, weight loss, cardio, etc, so members receive a full-body workout.

There are workouts designed for beginners as well as those with specific training goals. Fitness Underground does not promote unhealthy eating habits and you can get your individual diet information from your trainer. Guests with children should not be discouraged from joining Fitness Underground, as they may not be able to participate in these activities without the assistance of a parent or guardian.

A membership at a Fitness Underground facility allows members access to fitness equipment, special diet plans, induvial training, yoga (at some locations), etc. The monthly/yearly cost also includes unlimited use of all Fitness Underground facilities and gyms.

Early morning and late evening are the busiest time in Planet Fitness. Check online or call them at (909) 921-6908 for schedules, and decide which time is best for you.



13 Reviews

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Ricky Gonzales

2 years ago

5.0

Very inviting place, the people that train there are very welcoming and its not intimidating at all to train there no matter what your strength level is. They have power bars, a set of kilos, and even a belt squat all you need to get stronger.


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Baba Ganoosh

4 years ago

5.0

Hidden Gem for sure They have that perfect vibe at Fitness Underground and nothing but hard working people who encourage eachother to get better. If you like strength training or powerlifting this is the best gym in tbe area hands down. Excited to watch the Underground powerlifting team compete in December


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Jenna Hemion

4 years ago

5.0

Fitness underground is the best gym i have ever been to I love going to bootcamp, open gym, and personal training with Marisa They have all the best equipment with a large variety and the best trainers who always want to help


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Kyle Hassett

3 years ago

5.0

Not too long after New Years, I was on the traditional I am going to get in shape this year kick like everyone else who set new year resolutions. I had seen an ad on Instagram for Fitness Underground and thought, man this could truly be More


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Brooklynn H

4 years ago

5.0

Nicest owners Professional and modern place. You can tell the trainers are all there because they truly love it and thrive off of helping their clients. Its a great experience, especially comparing to the bigger chain gyms that only care about the money and memberships. Fitness Underground is different and it is so refreshing


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Jaime V

4 years ago

5.0

The long and short of it is, if youre serious about reaching your fitness goals, Fitness Underground is the way to goI signed up for my first ever Spartan this one happened to be a Super, which More


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Viridiana Loera

4 years ago

5.0

This gym is awesome I enjoy coming to bootcamps in the morning at am. Marisa is a great trainer, and really cares about you. If you have an injury and let her know. She will help you modify each exercise. Bootcamps are always fun and More


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Samuel Almaraz

4 years ago

5.0

Outstanding gym, the owners Ian and Marisa really care about each individual lifters success. They have fully committed to having heir own powerlifting team that will be competing later this year. The gym atmosphere is great, something that will definitely breed greatness of each individual lifter. Best gym this side of the Mississippi


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Casey Smith

3 years ago

5.0

I joined this gym in early December to start getting stronger and to lose some weight, Ian and Marisa are great In just the month Ive been training my squat has gone up lbs and my bench has gone up lbs great place if youre looking for a strength training or powerlifting gym. Underground


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Michelle Andrews

2 months ago

3.0

This gym has a nice variety of equipment. The members are friendly During peak times it can get a little crowded.


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Samuel Almaraz

4 years ago

5.0

Outstanding gym, the owners Ian and Marisa really care about each individual lifters success. They have fully committed to having heir own powerlifting team that will be competing later this year. The gym atmosphere is great, something that will definitely breed greatness of each individual lifter. Best gym this side of the Mississippi


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Casey Smith

3 years ago

5.0

I joined this gym in early December to start getting stronger and to lose some weight, Ian and Marisa are great In just the month Ive been training my squat has gone up lbs and my bench has gone up lbs great place if youre looking for a strength training or powerlifting gym. Underground


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Michelle Andrews

2 months ago

3.0

This gym has a nice variety of equipment. The members are friendly During peak times it can get a little crowded.


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1410 E Foothill Blvd Suite JK, Upland, CA 91786

(909) 921-6908


SaturdayOpen 24 hours
SundayOpen 24 hours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours


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