Grinders Fitness

Grinders Fitness Northglenn's #1 fitness facility offering Boxing, Kickboxing, BJJ, & MMA. Home of "Next Generation Denver” All levels are welcome to any of our classes.
(345)

Grinders Fitness will help you reach all of your fitness goals no matter how big or how small. We offer cardio boxing and kickboxing classes along with boxing, kickboxing, BJJ and MMA classes for the more competitive minded individuals.

06/19/2026

You don't have to figure it out alone anymore. 💪

The Grinders Fitness 6 Week Total Body Transformation is built for exactly this moment.

the plan doesn't have to be perfect … you just have to stop letting that be the excuse 🔥 most people are waiting to feel...
06/18/2026

the plan doesn't have to be perfect … you just have to stop letting that be the excuse 🔥 most people are waiting to feel ready. but ready shows up after you start, not before. six weeks. that's all it takes to prove yourself wrong about what you're capable of.

06/17/2026

Training alone got old.

The mat changes when someone's pushing back. ⚡

06/16/2026

POV: two weeks into the 6 Week Program and you're already moving like a different person. 🔥

What does that feel like?

Found this stuck to the mirror this morning and couldn't take it down. 📌 Some days the hardest part isn't the workout. I...
06/15/2026

Found this stuck to the mirror this morning and couldn't take it down. 📌 Some days the hardest part isn't the workout. It's just walking through the door. If that's where you are right now... that counts. That's the whole thing. ❤️ Drop a 🙋 if you needed this today.

06/14/2026

There are 5 reasons people keep coming back to Grinders Fitness.

Watch to see if yours made the list. 👀

\n\n

Momentum is nice.Consistency is everything.At Grinders Fitness, both show up together. 💯
06/13/2026

Momentum is nice.
Consistency is everything.

At Grinders Fitness, both show up together. 💯

6 weeks.Real people.Real results.No staging. No filters. No fine print.The 6 Week Total Body Transformation works becaus...
06/12/2026

6 weeks.
Real people.
Real results.

No staging. No filters. No fine print.

The 6 Week Total Body Transformation works because the people in it do.

✔️ Structured programming
✔️ Accountability built in
✔️ Results you can actually see

This could be your 6 weeks.

Address

455 W 115th Avenue
Northglenn, CO
80234

Telephone

(720) 749-4779

Website

Alerts

Be the first to know and let us send you an email when Grinders Fitness posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Grinders Fitness:

Shortcuts

Share

Category