Open Mat Locator
Login
The Grindhouse logo
The Grindhouse
Billings, Montana

About The Grindhouse

Welcome to The Grindhouse! Thank you for your interest and for coming to learn more about our gym.

Head instructor

CB

Competition background

EVERYWED
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYTHU
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYFRI
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYSAT
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYSUN
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYMON
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

EVERYTUE
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

7
Upcoming events
7
Open mats
0
Attending

Programs

Gi & No-giKids program

Links

(406) 598-4060@thegrindhousemmaWebsiteClass schedule

Is this your gym?

Claim this profile to manage events, invite instructors, and publish open mats.

Claim this gym

Last updated May 30, 2026