Sixth Street Underground

Sixth Street Underground Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Sixth Street Underground, Gym/Physical Fitness Center, 812 6th Street, Boone, IA.

Group Fitness Facility designed to serve those who are looking to lose weight, build strength, improve athletic performance, increase longevity, and simply feel better - we have a training program that works for everyone.

You know what we love as coaches? ❤️🖤1) these people 🫶2) building confidence with every rep 👊3) building mastery with ev...
05/29/2026

You know what we love as coaches? ❤️🖤

1) these people 🫶

2) building confidence with every rep 👊

3) building mastery with every rep 👌

4) building strength to last a lifetime 💪

05/25/2026

Hard working crew showed up today to take on their day off! 💪🇺🇸

All are welcome. ♥️🇺🇸
05/24/2026

All are welcome. ♥️🇺🇸

Your health is the one thing that affects everything else. Your energy. Your patience. Your mood. The way you sleep. The...
05/22/2026

Your health is the one thing that affects everything else.

Your energy. Your patience. Your mood. The way you sleep. The way you think. The way you show up for the people who need you most.

When your body and mind feel strong, life feels more manageable. The hard days are still hard but you move through them differently.

Be good to yourself; if you need help, we’re all here for you 🖤♥️

We see your strength each week, and we are amazed by it ♥️ Happy Mother’s Day to all our ladies in this place with style...
05/10/2026

We see your strength each week, and we are amazed by it ♥️

Happy Mother’s Day to all our ladies in this place with style and grace. Keep showing up - for you and for them.

Built on community. Driven by coaching.You show up with a group—but you’re never lost in it. Every rep, every set, every...
05/05/2026

Built on community. Driven by coaching.

You show up with a group—but you’re never lost in it. Every rep, every set, every push is tailored to you… while the energy around you keeps you moving forward and keeps you coming back.

That balance is where progress lives.

Feeling stagnant? Not getting the results you want? Not sure where to start? We can help. ♥️

The week’s here again.Doesn’t knock. Or wait. Just stands there like it owns the place.Plenty of people sit back and wat...
05/03/2026

The week’s here again.

Doesn’t knock. Or wait. Just stands there like it owns the place.

Plenty of people sit back and watch it pass. They talk a good game, and always will. But talk’s cheap and Monday doesn’t listen.

You know…you can come in a little rough around the edges, put your hands on something heavy, and get honest about it.

No perfect plan needed.

Just sweat. Effort. One thing done right, then another.

You don’t need to feel ready. Just start.

We’ll keep the lights on at The Underground.

05/01/2026

Real people ♥️
Real coaches 📋
Real support 🤝
Real results 💪
Really fun 🥳

You can’t find this just anywhere

She was told to take it slow.Three weeks after a hip replacement, that usually means sitting things out…But this is what...
04/27/2026

She was told to take it slow.

Three weeks after a hip replacement, that usually means sitting things out…

But this is what “slow” can look like with the right plan, the right guidance, and the right environment.

Today she’s back.

Not doing everything…but doing exactly what she should be doing.

Every movement adjusted.
Every range of motion respected.
Every rep with intention.

Because this isn’t a room where everyone just follows the same workout with a little rah rah from the instructor.

It’s coaching.

It’s knowing when to push, when to pull back, and how to meet someone exactly where they are—especially when “where they are” just changed in a big way.

This is what training looks like when it’s built around the individual…even in a group.

And this is why people don’t just come here to work out.

They come here to keep moving forward—no matter what life throws at them. ♥️

We missed you, Becky Turbes, and we are so glad your sass is back!

Address

812 6th Street
Boone, IA
50036

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