The Fit Box
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The Fit Box
At The Fit Box, we meet you where you are, (no judging here!) and take you to where you want to be. and even beyond what you dared to dream you could accomplish! Our expert instructors make it a matter of personal pride to see you succeed, and we care deeply about your Fit Box experiences, starting from day one!

Our class sizes are kept to smaller number to ensure you get individual attention, yet the camaraderie you experience in a group! You'll have an intensely fun, exhilarating, and challenging workout every time! If you are considering joining a gym don't hesitate, join THE FIT BOX you won't regret it.
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The Fit Box was founded in 2014, and is the dream-come-true of owner and founder Christa Neely-Plante. From a dark place of despair, lethargy and depression, with no direction in sight and no desire to get out of bed, she would eventually step into the ring, driven, changed, and truly inspired to meet each new day positively head-on!
You can choose to take on any of our classes, no matter your experience or level of fitness! Each one can be modified to you and your needs. Enjoy Boxing with the Added Enhancements of intense cardio and strength training. Get 9 to 12 Rounds in, using the Heavy Bags, while combining Circuit Training, Thai Pad Training.
My name is Annie Flynn, one of the on-staff trainers at The Fit Box. I grew up in Rochester, Michigan and I have two adult daughters, both of which are married. Not only do I possess an athletic nature, but I am also rather adventurous, so it was only natural that immediately after high school I pursued my first degree from Northern Michigan University in Recreation Management, which encompasses both sports and recreational activities.
Just book the class you want to come to, and make sure to arrive 20 minutes early, so we can run you thru some basics! If your schedule doesn't happen to coincide with our business hours or class schedules, NO WORRIES! We'll give you a key! And in case you need a little "coaching". We encourage everyone to try us out, get acquainted, and decide for yourself what suits your lifestyle and schedule!
Everyone's fitness goals are as unique as a thumb print. Helping you reach yours is our top priority. You'll discover that there is a support system at The Fit Box that becomes "family". As your journey begins, your comfortability will grow, and your relationships will too! Tell us what you're looking to get out of your gym membership, and we'll recommend the instructors and classes that are right for you.
Reviews (10)
Jessica Roberts
Jessica Roberts
Dec 03, 2021
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I’ve been a member for over three years and I love working out here. I go to the morning classes with Annie and she always comes up with fun workouts.
Earlexus Dixon
Earlexus Dixon
May 19, 2020
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Best place ever. I took a year off and I'm back, feel like I've never left.
Kim Davidson
Kim Davidson
Dec 31, 2019
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I absolutely love the classes. Abs and 360 and Field Day are GREAT workouts. Everyone is friendly and helpful.
Rebecca Bishop
Rebecca Bishop
Dec 06, 2019
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Best workout classes in Fenton! All the instructors are very helpful and the classes are amazing. You will definitely get a total body workout every time you come to a Fit Box class! Would highly recommend to anyone in the Fenton area.
Lena Charboneau
Lena Charboneau
Oct 27, 2019
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I love this place! I've been going for a few years now and I still feel challenged every class! Every workout is a little different and all of the trainers are amazing and motivating. I love my Fit Box family <3
Renee LeBlanc
Renee LeBlanc
Aug 02, 2019
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So happy and grateful that I finally joined The Fit Box! If you want challenging, rewarding workouts with personable, knowledgeable, and motivating fitness instructors, this is the place to be. The workouts are challenging, yet they can be tailored to any fitness level. I am a competitive athlete, and I always leave feeling satisfied...and sweaty. So sweaty! Workouts include circuit, TKO, boxing, kickboxing, etc. I also love that this gym is reasonably-priced and that I can schedule all of my classes in advance on the MINDBODY phone app. Each instructor is unique and different in their own coaching
Jill Worden
Jill Worden
May 29, 2019
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The absolute best whole body workout in town! Not only is the work out the best but so is the owner and the trainers, they treat you like family! The facility offers personal training and a food program that makes you forget you’re eating healthy! Try out The Fit Box, you won’t be disappointed!
Renee W.
Renee W.
Oct 09, 2017
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This place is great! Literally the hardest workouts I've ever done. Obviously all classes have a boxing element but each instructor does their own thing which keeps things fresh. All the instructors and the owner are great. A very welcoming place and a phenomenal workout! Highly recommended!
Kellee Moran
Kellee Moran
Aug 01, 2017
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I've been a member for over 6 months and cannot say enough good things about the gym and the staff. Christa is so passionate about what she does and truly makes you feel like you can achieve any goal. It's more than a gym, it's a community. The workouts are tough, even 6 months in, but the instructors push you to your potential and are more than happy to accommodate for a variety of skill levels and challenge you when you're ready. Best gym membership ever!
Veronica D.
Veronica D.
Jun 27, 2017
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Went and tried this place out yesterday. Here's a few things I can tell you from my experience. The place is pretty small, and all there is are weights, bags, and a ring. You take your shoes off when you go in - you can either be barefoot or wear socks. Once you sign up you get a pair of gloves - but if you want the better quality ones they mark them up an extra $12. You also get a wrap for your hand - again if you sign up. If you're trying it out for your first time like me, they stick you with a pair of reallly smelly used gloves, and no wrap. I mean the smell was so bad I could barely