Mayumi Kubo
X-treme Ebina
Japan 
Age 47      Belt BLUE
FEMALE BLUE MASTER 3
Points
4.40
Gold
1
Silver
0
Bronze
2
Sjjif World Accumulative Rank
Ranking
19
Rank Points Gold Silver Bronze
Sjjif World Rank 2022 3.85 1 0 0
east japan jiu jitsu championship 2022 female blue master 3 light feather GOLD
Sjjif World Rank 2020~2021 0.55 0 0 2
sjjjf 4th all japan jiu jitsu masters championship 2021 female blue master 3 rooster BRONZ
asjjf tokyo spring international jiu jitsu championship 2021 (東京春季柔術大会 2021) female blue master 3 rooster BRONZ