Mayumi Kubo
X-treme Ebina
Japan 
Age 47      Belt BLUE
FEMALE BLUE MASTER 1
Points
4.42
Gold
2
Silver
1
Bronze
0
Sjjif World Accumulative Rank
Ranking
20
Rank Points Gold Silver Bronze
Sjjif World Rank 2022 1.75 1 0 0
sjjjf japanese open jiu jitsu championship 2022 female blue master 1 rooster GOLD
Sjjif World Rank 2020~2021 2.675 1 1 0
nexus festival jiu jitsu championship 2021 female blue master 1 rooster GOLD
第3回 全日本柔術マスター選手権(sjjjf 3rd all japan jiu jitsu masters championship 2020) female blue master 1 light feather SILVER