Skyler Marie Vonk

Skyler Marie Vonk is a Grey belt from Randori BJJ in Moreno Valley, CA competing with a 1303 JITS rating and 7 total medals across 8 tournaments. Her 50% submission rate ranks in the top 49% of Grey belts—5 points above the 45% belt average—making finishing technique her standout strength. With 1 gold, 4 silver, and 2 bronze medals, Vonk demonstrates consistent medal-round performance despite a 46% win rate that trails the 50% belt average.

All 6 of Vonk's wins came against higher-rated opponents, including a notable victory over Evelyn Avila (799-point rating gap). Her development velocity sits at -130.3 pts/month, placing her in the 5th percentile DVI and indicating stagnation rather than upward trajectory. Vonk competes across IBJJF and JJWL organizations with a notable Gi/No-Gi split: 1360 rating in Gi (12 matches) versus 1025 in No-Gi (5 matches), suggesting format-dependent performance gaps.