Monument Fitness Charlestown

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Monument Fitness Charlestown Monument Fitness is the premier fitness location in Charlestown, MA. HIIT, Bootcamp, and Barbell clas

10/12/2026

Free trial class ➡️ $89 unlimited classes for 2 weeks ➡️ best fitness of your life.

🔗 in bio to start.

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10/09/2026

Free trial class ➡️ 2 wks unlimited $89 ➡️ best fitness of your life.

Come join us 🔗 in bio.

Building strength and muscle is the foundation of fitness, health, and longevity. That is why we focus our training at M...
09/13/2026

Building strength and muscle is the foundation of fitness, health, and longevity. That is why we focus our training at Monument Fitness on exactly that.

The next 2 weeks are when you get to show off the work from the past 2 months.

Come in. Get after it. Show off. Flex in the face of skinny and sick.

Say hello to Catherine Hamilton, better known as Coach Cat! Cat has been a member with us for a little over 2 years, and...
09/08/2026

Say hello to Catherine Hamilton, better known as Coach Cat! Cat has been a member with us for a little over 2 years, and she fit right in from the start. She’s spent the last 6 months honing her skills as a coach here at Monument, and she is officially on staff and on the schedule!

Fitness has been a part of Cat’s life since she was young. Born and raised in North Carolina, she learned weightlifting in high school, which is where she fell in love with showing herself how strong she could be. To date, she has run over 20 half marathons and 5 full marathons, and she is one of those sick people who actually enjoys running long distances every day. She’s also a wedding planner, having worked in the industry for a decade and owned her own business since 2019. She loves dogs, and works as a dog walker when she isn’t planning weddings, running many miles, winning all the challenges at Monument Fitness, or crushing workouts with her husband and fellow member Josh.

We are pumped to have Cat on the team. She is a great person and brings positive energy to every class she is a part of, but the best thing is how passionate she is about what we do and about fitness in general. In her words: I love CrossFit and the opportunity to cheer people on while they work on becoming the best and strongest versions of themselves. It truly gives me joy to help push people and be there when they realize their body and mind are capable of doing something harder than they thought they could.

Come see Cat on Saturdays and filling in during the week this Fall!

09/02/2026

September Pull-up Challenge: 250 strict pull-ups by October 1.

Get better at pull-ups by building your pull-up strength base!

Get in by Friday! 🔗 in bio.

08/31/2026

Doesn’t get any better than Monument Fitness on a Monday morning.

Fall session starts in 2 weeks. Your teen can come to every session or when it works for their schedule with our flexibl...
08/24/2026

Fall session starts in 2 weeks. Your teen can come to every session or when it works for their schedule with our flexible class packs.

TeenFit is designed to build kids from the base into strong, powerful young athletes. TeenFit Perform is designed to give older athletes more of what they need to separate themselves as competition gets tougher: strength and power.

Our staff is made up of former CrossFit Games and college athletes with decades of experience coaching athletes in sports and fitness. Have your teen train with them this fall and see the difference it can make.

Get your kids spot 🔗 in bio.

We hear these myths all the time and honestly they never get old. Come find out for yourself why none of them are true. ...
04/21/2026

We hear these myths all the time and honestly they never get old. Come find out for yourself why none of them are true. Just don’t say we didn’t warn you about Coach Stacey’s warmups.

Link in bio to book your free first class

Address

545 Medford Street
Boston, MA
02129

Opening Hours

Monday 5am - 8pm
6am - 8pm
Tuesday 5am - 8pm
6am - 8pm
Wednesday 5am - 8pm
6am - 8pm
Thursday 5am - 8pm
6am - 8pm
Friday 5am - 6:30pm
6am - 7pm
Saturday 9am - 12pm
Sunday 9am - 11pm

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