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The Grindhouse
Billings, Montana
Open Mat Locator

Browse-first BJJ event discovery focused on helping practitioners find nearby open mats quickly and helping gyms publish clearly.

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About The Grindhouse

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

Head Instructor

CB

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Upcoming (7)Previous (0)
Open Mat
EVERYSAT
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYSUN
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYMON
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYTUE
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYWED
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYTHU
Open Mat

Open Mat

Hosted here

12:00 PM - 2:00 PM

Open Mat
EVERYFRI
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

Last updated Aug 10, 2026

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