Welcome to The Grindhouse

Where Champions Train Champions

About Us

Qualified Instructors

My name is Will Grundhauser Head Coach and 1st degree Blackbelt directly under 5X World Champion Bernardo Faria Team Alliance. 

Find out more

Modern Studio

We offer the largest Academy for over 500 miles around. Over 2000 sq/ft of mat space, Full size cage, and everything you need for all of your lifting and fitness goals.

Our Philosophy

We offer World Class Training to the Billings, Montana Area. We specialize in Functional Martial Arts and Fitness. Our teachings are tested and proven on the mats and in the cage, with our World Class Competitors! Train with the best around to achieve your goals, we specialize in helping people find their true potential!

Classes

Adult Classes

All of our classes are for technical training and designed for everyone to be successful regardless of experience or fitness level. Prices shown are for direct deposit 12 month contracts, the best deal we offer. (Cash or Month to Month $150)

Jiu Jitsu

$20/Class or $120/month unlimited training.

The BEST Martial Art for Self-Defense. this grappling based Art is for everyone that really want to improve thier life on every level.

Muay Thai

$20/Class or $120/month unlimited training.

Bang Muay Thai under Coach John Colter is a fun dynamic workout, that will teach you real world striking applications. Increase confidence and give you a solid base for punching, kicking, elbows, and knees.

Boxing

$20/Class or $120/month unlimited training.

Our boxing program provides a daily Boxing based workout you complete anytime during regular business hours. Plus weekly sparring sessions for those interested, but sparring is not required.

Children Classes

Our Lil Grinders program is designed to help build confidence through hard work and commitment. We offer real world functional Martial Arts that really work. Kids are capable of so much more than people think, we help them achieve and believe in this one of a kind program. Prices shown are for direct deposit 12 month contracts, the best deal we offer. (Cash or Month to Month $150)

Lil Grinders( Ages 4-7)

$20/Class or $120/ month unlimited training.

We offer one day of Muay Thai and two days of Jiu Jitsu per week for a well rounded Martial Arts base. 

Grinders ( Ages 8-14)

$20/Class or $120/ month unlimited training.

We offer one day of Muay Thai and two days of Jiu Jitsu per week for a well rounded Martial Arts base. 

We offer A.M. Bootcamp and Personal Training upon Request

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Be the first to hear about upcoming class registration, special events, and free trials.

Contact Us

We are located on the 17th street side of the Restore Habitat for Humanity building. Look for the Big G on the entrance door!

The Grindhouse

1617 1st Ave N, Billings, Montana 59101, United States

406-200-0198

Hours

Hours:

Monday 12-2pm and 4-8pm

Tuesday 12-2pm and 4-8pm

Wednesday 12-2pm and 4-8pm

Thursday 12-2pm and 5-8pm

Friday 12-2pm and 6-8pm

Saturday 12-2pm


Private Lessons by Appointment only call 406-200-0198 to schedule yours today!

Get in Touch!

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