SUBMISSION GRAPPLING / SELF-DEFENSE / FITNESS
SOLVING PROBLEMS SINCE 2021
SUBMISSION GRAPPLING / SELF-DEFENSE / FITNESS
SOLVING PROBLEMS SINCE 2021
Don't wait.
Change Your Life
Function Jiu Jitsu (FxJJ) welcomes everyone—from seasoned grapplers to beginners exploring submission-based martial arts. Our academy offers a supportive environment where individuals can improve fitness, learn self-defense, or build confidence and discipline.
Contact Us
Free class trials available.
Function Jiu Jitsu
1313 Grand Avenue #8A, Billings, Montana 59102
Back to School Special 4 Week Trial
Kids: $120
Adults: $175
Includes a free Uniform!
Ends 9/30/25