Isaiah Rivera
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Malegrey BeltAges 16-1829,089 FightersWin rate tracks at 50% for grey belt. 12 matches and counting.
Fighter History
| Result | Fighter | JITS | Video |
|---|---|---|---|
| L | 1188-520 | ||
| W | 1125+470 | ||
| W | 1125+470 | ||
| W | 1125+370 | ||
| L | 1997-400 | ||
| W | 1125+1150 | ||
| L | 2397-2000 | ||
| L | 1938-930 | ||
| W | 1997+1120 | ||
| L | 2397-890 |
From Kainga Jiu Jitsu
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About
Isaiah Rivera is a Grey belt from LVL 5 Jiu Jitsu in Self Defense, CA and 3 gold medals across 3 tournaments. His 50% submission rate ranks 5 points above the 45% belt average, placing him in the top 15% of Grey belts for finishing ability. Rivera's 67% gold medal rate significantly outpaces the 30% belt average, demonstrating consistent podium performance in NAGA and JJWL competition. All 6 of Rivera's wins came against higher-rated opponents, including a notable 1576-point upset victory over August Rain Lawler.
His rating trend shows building_momentum at -67.6 pts/month, ranking in the 10th percentile for development velocity—indicating a deceleration phase despite medal success. Competing primarily in gi format (1270 rating across 6 matches) versus no-gi (1020 rating across 4 matches), Rivera's 88th global percentile ranking reflects early-career momentum that requires sustained tournament volume to maintain trajectory.