IBJJF places adults by birth year. Adult is 18 and over, Master 1 is 30 and over, Master 2 is 36 and over, and each master division after that adds five years, up to Master 7 at 61 and over. Age is the competition year minus the birth year.
IBJJF adult and masters divisions for 2026
One row per division: the birth years that qualify at 2026 events, the age that equals, and the belts the event table allows.
| Division | Born in | Age in 2026 | Belts |
|---|---|---|---|
| Juvenile | 2010, 2009 | 16–17 | White, blue, purple |
| Adult | 2008 and before | 18+ | White, blue, purple, brown, black |
| Master 1 | 1996 and before | 30+ | White, blue, purple, brown, black |
| Master 2 | 1990 and before | 36+ | White, blue, purple, brown, black |
| Master 3 | 1985 and before | 41+ | White, blue, purple, brown, black |
| Master 4 | 1980 and before | 46+ | White, blue, purple, brown, black |
| Master 5 | 1975 and before | 51+ | White, blue, purple, brown, black |
| Master 6 | 1970 and before | 56+ | Blue, purple, brown, black |
| Master 7 | 1965 and before | 61+ | Blue, purple, brown, black |
IBJJF adult and masters divisions for 2027
The same age thresholds, moved forward one year. IBJJF has not published 2027 event tables yet, so these birth years are computed, not copied.
| Division | Born in | Age in 2027 |
|---|---|---|
| Juvenile | 2011, 2010 | 16–17 |
| Adult | 2009 and before | 18+ |
| Master 1 | 1997 and before | 30+ |
| Master 2 | 1991 and before | 36+ |
| Master 3 | 1986 and before | 41+ |
| Master 4 | 1981 and before | 46+ |
| Master 5 | 1976 and before | 51+ |
| Master 6 | 1971 and before | 56+ |
| Master 7 | 1966 and before | 61+ |
How IBJJF counts age
Birth year decides the division for the whole season. The birthday does not.
IBJJF subtracts the birth year from the competition year. The month and day you were born do not matter.
Example: someone born in December 1996 is still 29 for most of 2026. IBJJF counts them as 30, so they are Master 1 at every 2026 event, including events in January.
Every division opens on 1 January. Someone born in 1990 moves from Master 1 to Master 2 at the first event of 2026, whatever their birthday.
Choosing Adult or Masters
Masters can stay in their own division or register in Adult. Each choice has trade-offs.
- IBJJF lets masters register in Adult. Your master division is the oldest one you qualify for, but you are not forced into it.
- Adult brackets are often bigger, with younger opponents. Some athletes over 30 pick Adult for a harder field or more matches.
- Master brackets put you against people closer to your age. Older divisions can be small, so check the registration list before the deadline.
What rules masters follow
Masters share the adult illegal-moves columns for their belt, with one exception: brown and black belt no-gi.
- White, blue and purple masters use the same Illegal Moves columns as adults of the same belt.
- Brown and black masters use the brown and black column in the gi and in no-gi. Heel hooks are legal only for adult brown and black belt in no-gi; illegal for masters, the gi, and every age and belt below adult brown belt. Knee reaping and knee-twisting locks follow the same split, so a master who wants them has to register in Adult.
- Weigh-in at US events is in pounds. You get one attempt, right before your first fight. At gi events you weigh in wearing the gi.
- Weight limits and match times can vary by division and event. Read the event page instead of relying on a general chart.
Key Takeaways
- IBJJF Adult is 18+, Master 1 is 30+, Master 2 is 36+, and each later master division adds five years up to Master 7 at 61+.
- Age is the competition year minus the birth year. Someone born in December 1996 is Master 1 for all of 2026.
- 2027 birth years shift by one year. They are computed from the same thresholds and not yet published by IBJJF.
- Masters can register in Adult. For brown and black belts, heel hooks and knee reaping are legal in Adult no-gi and illegal in Masters.
- Weigh-in is one attempt, right before the first fight, in the gi at gi events.
Further Study
Sacramento Fall International Open IBJJF 2026
Official 2026 Juvenile, Adult and Master 1–7 birth years and belts.
IBJJF official site
Event calendar, registration and each event page with its Belt & Age Divisions table.
IBJJF Books and Videos (Rule Book & Illegal Moves poster)
Official IBJJF Rule Book and the Illegal Moves table by age and belt.
IBJJF kids and teen divisions: ages and belts
Mighty Mite through Juvenile, with 2026 and 2027 birth years.