Kennedy Marie Sepulveda

Kennedy Marie Sepulveda is a Yellow belt from Sektor Jiu Jitsu in Chino, CA competing with an across 12 tournaments. Her 82% submission rate ranks in the top 2% of Yellow belts—30 points above the 52% belt average—and her 92% win rate exceeds the belt average by 39 points. She has earned 9 gold medals, 3 silver medals, and zero bronze medals, placing her in the 98th percentile among Yellow belts with a 4725 JITS Rating. Sepulveda secured 9 competitive wins against higher-rated opponents, including a standout victory over Kylie Michelle Prieto representing a 411-point rating gap.

Her rating trajectory shows dominant growth at +59.7 points per month, placing her in the 75th percentile for Development Velocity Index. She competes exclusively in JJWL events and demonstrates a clear Gi dominance with a 4160 rating across 16 Gi matches versus 1485 across 5 No-Gi matches, earning gold at Pan Americans II Gi Youth, Los Angeles Summer Kids 2025, and The Worlds Gi Youth.