The Martial Arts Blog by MatGoat

See BJJ belts in order with adult and kids’ charts, stripe meanings, IBJJF ages and minimum times, including the June 2026 black belt update.

Explore unique traditional martial arts and combat systems from Asia, Europe, Africa, and the Americas that preserve centuries of culture.

Operational strategies to increase student training consistency, reduce absenteeism, and build lasting mat habits in Brazilian Jiu-Jitsu.

Explore Taijutsu origins in Japan, the six technical pillars of Nihon Tai-Jitsu, the kyu ranking system, and key differences with Jiu-Jitsu.

Compare boxing gym software for class reservations, attendance, memberships, payments, drop-ins, waivers, and fighter progress.

A practical guide for martial arts academy owners. Plan a safe, engaging kids program with the right staffing, class structure, communication, and progress.

Check which techniques the IBJJF prohibits by age, belt, and format, with guidance on leg locks, jumping guard, and knee reaping.

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 practical strategies academy owners can use to retain more BJJ students and keep them training for the long term.

A practical guide for BJJ academy owners building a kids program. Plan classes, communicate with parents, track attendance, and manage promotions.

Adult judo belt order from white to black. Explore kyu and dan ranks, time requirements between belts, and federation standards.

Learn the criteria BJJ instructors use to promote students through belts and stripes. Practical guidelines for fair, consistent promotions.

Earning a BJJ purple belt averages 5 to 6 years of consistent training. Review IBJJF time requirements, technical milestones, and mat hour benchmarks.

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.

Earning a BJJ blue belt takes 2.1 years or ~350 mat hours on average. See verified BeltChecker data, training frequency benchmarks, and IBJJF age rules.

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.

Compare the 10 best martial arts software platforms for gyms, dojos, and studios. Pricing, belt tracking, kiosk check-in, and Capterra ratings compared.

Compare 10 BJJ gym management platforms with verified pricing, Capterra ratings, screenshots, and detailed reviews for academy owners.

Mat cleaning guide for BJJ academies. Protocols, products, and cleaning frequency to prevent infections and keep students safe.