🥇New Results

Mason went 2-0 at Pacific Cup VII NoGi

TeamMat Marauders

TournamentPacific Cup VII NoGi - Mar 2026

[ grey / Youth ]

Mason Jew

Jits

5,809S-Tier

Top 0.1% of all rated fighters

+440Last event: Nov 22, 2025

#510

Overall

Top 1%

Percentile

#284

grey Belt

Record

28-390% Win Rate

28 Wins3 Losses

5-0 Last 5+8 Streak

Trophy Case

9 GoldJJWL 9

JJWL FINALS NORCAL NO-GINov 22, 2025

JJWL FINALS NORCAL GINov 22, 2025

JJWL HOUSTON XVI GISep 13, 2025

JJWL GS XIV NO-GISep 6, 2025

JJWL NATIONALS WEST GIJul 19, 2025

JJWL NATIONALS WEST NO-GIJul 19, 2025

JJWL GS XIII NO-GIMay 17, 2025

JJWL GS XIII GIMay 17, 2025

JJWL GS XII GIJan 25, 2025

The Roll Up

Best WinSep 6, 2025

Biggest win over Aleksandr Guskov by Submission

GS XIV NoGi YouthThe Roll Up →

Best WinJul 19, 2025

Biggest win over Sean Taeyang Kim by Submission

The Nationals West Gi YouthThe Roll Up →

Fighter Intelligence

17 Tournaments

Medals

12Medals

across 17 tournaments

Gold 10

Silver 2

Bronze 0

83% Gold Rate

Belt Avg 40%

What this means83% of tournament entries result in gold — 43 points above the belt average. Elite podium consistency — this fighter dominates their brackets.

Finishing Ability

74%

Subs

Submission 20

Points 7

Other 0

Belt Avg 59%

+15 pts vs belt avg

What this means74% of wins by submission — 15 points above the belt average. This fighter has elite finishing ability for their rank.

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Advanced Analytics

AI Calculated

Growth Trajectory

DVI

Dominant

Dominant — winning at an elite level

Growing faster than 90% of peers

Win Quality

Giant Killer

Clutch Score: +28.1%

Close Wins

Exp. Wins

Losses

30 matches analyzed

Format Split

BALANCED

15 Gi15 NoGi

14W-1L93%

NoGi

13W-2L87%

Sub Rate

Gi 80%NoGi 53%

7% win rate delta — Gi stronger

Segment Analysis

Malegrey BeltAges 10-1129,089 Fighters

Comparing to 29,089 grey belt fighters

Win Rate

90%avg 67%

AVG

+24 pts vs avg

Sub Rate

74%avg 59%

AVG

+15 pts vs avg

Gold Rate

65%avg 40%

AVG

+24 pts vs avg

What This Means

Ranked #284 of 29,089 grey belts. 90% win rate, 74% submission rate across 31 matches. 7-tournament podium streak.

Tale of the Tape

Fighter History

30 matches

Result	Method	Fighter	JITS	Academy	Bracket	Tournament	Format	Date
W	SUB 7-2	Keegan Allen	--	American Grappling Academy	Grey JR Teen · 100-109	JJWLPacific Cup VII NoGi	NoGi	Mar 14, 2026
W	SUB 2-0	Hunter Tio	2208-	Giudici BJJ Academy	Grey JR Teen · 100-109	JJWLPacific Cup VII NoGi	NoGi	Mar 14, 2026
W	SUB 0-0	Eli Rehnstrom	1421-	Fierce Jiu-jitsu	Grey JR Teen · 110-119	JJWLPacific Cup VII Gi	Gi	Mar 14, 2026
W	SUB 5-0	Zion Rhys Madrid	--	Checkmat Folsom	Grey JR Teen · 110-119	JJWLPacific Cup VII Gi	Gi	Mar 14, 2026
W	PTS 13-0	Ayden Rojas	1086+90	Checkmat Brentwood	Grey Pre Teen · 90-99	JJWLFinals Norcal NoGi Youth	NoGi	Nov 22, 2025
W	PTS 2-0	Ren Toshio Dinwiddie	1881+70	Cassio Werneck Jiu-jitsu	Grey Pre Teen · 90-99	JJWLFinals Norcal NoGi Youth	NoGi	Nov 22, 2025
W	SUB 6-0	Aleksandr Guskov	2520+230	Satori No Michi Dojo	Grey Pre Teen · 90-99	JJWLFinals Norcal Gi Youth	Gi	Nov 22, 2025
W	PTS 16-0	Erick Barriga	1210+50	Buena Vida Jiu Jitsu	Grey Pre Teen · 90-99	JJWLFinals Norcal Gi Youth	Gi	Nov 22, 2025
L	DEC 0-0	Troy Wong	5480-450	BJJ Revolution Team	Grey Pre Teen · 90-99	JJWLHouston XVI NoGi Youth	NoGi	Sep 13, 2025
W	SUB 2-0	Rylan Brasuell	1670+120	Pablo Silva BJJ	Grey Pre Teen · 90-99	JJWLHouston XVI NoGi Youth	NoGi	Sep 13, 2025

From Mat Marauders

Rival Fighters

Aleksandr Guskov.jits

SATORI NO MICHI DOJO

H2H3-0

Scouting Report

Mat Marauders →

Data Sources

Matches30

Placements14

Tournaments17

Medals🥇 11🥈 2

Sources

JJWL

First MatchJan 2025

Last MatchMar 2026

Stats verified from completed tournaments only, may not represent a fighter's true record.

FloGrappling Videos

Elite fighters may have match videos on Flograppling. A subscription is required to view.

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About

Mason Jew is a Grey belt from Mat Marauders in Martinez, CA and 9 gold medals across 12 tournaments. His 67% submission rate ranks 22 points above the Grey belt average of 45%, placing him in the 99th percentile for finishing ability. At 4375 JITS Rating and #486 globally, Jew competes at the 99th percentile among all grapplers and holds Prodigy tier status.

All 24 of Jew's wins came against higher-rated opponents, including a notable upset over Louis Gonsalves (895-point rating gap). His Development Velocity Index sits at +349.3 points per month, placing him in the 96th percentile for rating growth trajectory. Jew's Gi rating (3780) significantly exceeds his No-Gi rating (2985), reflecting stronger performance across 14 Gi matches versus 13 No-Gi matches, and he competes exclusively in JJWL events.

Frequently Asked Questions

Mason Jew has a 28-3 competition record across 31 matches in 17 tournaments.

Mason Jew is ranked #510 overall and #284 among grey belt competitors on Jits.gg.

Mason Jew has earned 11 gold, 2 silver medals across 17 tournaments.

Mason Jew trains at Mat Marauders and competes as a grey belt.

Mason Jew has a 74% submission rate and a 90% win rate across 31 matches.

Mason Jew is ranked #284 among grey belt competitors on Jits.gg.

Mason Jew's current Jits rating is 5809. Use the Rating Simulator on Mason Jew's profile to see how a win or loss against any opponent would affect their rating. Factors include opponent strength, match method (submission vs points), and margin of victory.