Check which techniques the IBJJF prohibits by age, belt, and format, with guidance on leg locks, jumping guard, and knee reaping.
MatGoat Blog
Insights, Tips, and Trends in the Industry
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A current ranking of countries by IBJJF-registered BJJ academies, with an interactive world map, methodology, and data limitations.
A directory-based ranking of US states and cities with the most BJJ gyms, plus an interactive map, sources, and data limitations.
Starting BJJ as an adult is harder and more rewarding than most people expect. Here's what actually happens in year one and how to make the most of it.
There is no universal average for earning a judo black belt. Learn how federation rules, competition, kata, and consistent practice affect the timeline.
Seven concrete strategies academy owners can test to keep more BJJ students training long-term.
A practical guide for BJJ academy owners building a kids program families trust. Plan classes, communicate with parents, track attendance, and manage promotions.
See the common adult judo belt order from white to black, with kyu and dan ranks, belt illustrations, and guidance on federation differences.
Learn the criteria BJJ instructors use to promote students through belts and stripes. Practical guidelines for fair, consistent promotions.
BeltChecker's verified profiles average about 6 years across white and blue belt. Learn what determines the path to BJJ purple belt.
Joe Rogan holds a black belt. Mark Zuckerberg competes in tournaments. Discover which celebrities train BJJ and what rank they've earned.
Discover the key differences between Gi and NoGi Brazilian Jiu-Jitsu, popularity trends, how many people practice each style, and which one is right for you.
A practical guide to the tournaments that define BJJ: IBJJF Worlds, ADCC, Abu Dhabi World Pro, CJI, and other professional circuits.
Learn about common injuries reported in a small BJJ survey, its methodology and limits, and practical risk-reduction considerations.
Women represent 14% of white-belt profiles and 5% of black-belt profiles in BeltChecker's live data. We explain the limits and academy actions.
BeltChecker verified profiles average about 11 years and 8 months to black belt. See the source, snapshot date, and limitations.
A snapshot of current belts in roughly 40,000 BeltChecker profiles, with source and sampling limitations.
Find out how long it takes to earn your blue belt in Brazilian Jiu Jitsu. Key factors, training frequency, and tips to progress faster.
Discover the origin and meaning of OSS (Osu), the most common expression in Japanese martial arts. Learn when and how to use it correctly at your academy.
We compare the 10 best martial arts management software platforms for BJJ, MMA, Judo, Karate, and Taekwondo schools. Verified pricing, Capterra ratings, screenshots, and honest reviews.
Compare the top BJJ gym management platforms with verified pricing, Capterra ratings, and screenshots. Honest reviews to help you choose the right software for your academy.
Mat cleaning guide for BJJ academies. Protocols, products, and cleaning frequency to prevent infections and keep students safe.