TeamFlow BJJ

TournamentGrappling Industries NEW HAMPSHIRE - Dec 2025

[ grey / youth ]

Marin Alexander

Jits

7,121S-Tier

Top 0.1% of all rated fighters

+1320Last event: Dec 28, 2025

#168

Overall

Top 0%

Percentile

#93

grey Belt

Record

25-486% Win Rate

25 Wins4 Losses

3-2 Last 5

Trophy Case

6 GoldNAGA 4 · Grappling Industries 2

GRAPPLING INDUSTRIES NEW HAMPSHIRE GIDec 28, 2025

NAGA BOSTON GRAPPLING GINov 15, 2025

NAGA BOSTON GRAPPLING NO-GINov 15, 2025

NAGA NEW HAMPSHIRE NO-GIMar 15, 2025

NAGA NEW HAMPSHIRE GIMar 15, 2025

GRAPPLING INDUSTRIES NEW HAMPSHIRE GIFeb 22, 2025

The Roll Up

Upset ArtistNov 15, 2025

Beat Michael Marroquin by Submission

NAGA Boston Grappling ChampionshipThe Roll Up →

Best WinNov 15, 2025

Biggest win over Michael Marroquin by Submission

NAGA Boston Grappling ChampionshipThe Roll Up →

Best WinNov 15, 2025

Biggest win over Michael Marroquin by Submission

NAGA Boston Grappling ChampionshipThe Roll Up →

Fighter Intelligence

4 Tournaments

Medals

8Medals

across 4 tournaments

Gold 6

Silver 1

Bronze 1

75% Gold Rate

Belt Avg 30%

What this means75% of tournament entries result in gold — 45 points above the belt average. Elite podium consistency — this fighter dominates their brackets.

Finishing Ability

92%

Subs

Submission 24

Points 1

Other 1

Belt Avg 50%

+42 pts vs belt avg

What this means92% of wins by submission — 42 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

Building Momentum

Winning more than losing — building momentum

Growing faster than 98% of peers

Win Quality

Giant Killer

Clutch Score: +20.8%

Close Wins

Exp. Wins

Losses

Upset Losses

Best win: Beat Caius Michael Geribo (606 pts higher)

30 matches analyzed

Format Split

GI SPECIALIST

15 Gi14 NoGi

14W-1L93%

NoGi

11W-3L79%

Sub Rate

Gi 93%NoGi 71%

15% win rate delta — Gi stronger

Segment Analysis

Malegrey BeltAges 10-1129,089 Fighters

Comparing to 29,089 grey belt fighters

Win Rate

87%avg 54%

AVG

+33 pts vs avg

Sub Rate

92%avg 50%

AVG

+42 pts vs avg

Gold Rate

100%avg 30%

AVG

+70 pts vs avg

What This Means

Ranked #93 of 29,089 grey belts globally. 87% win rate, 92% submission rate. Finishes almost everyone beaten.

Tale of the Tape

Fighter History

29 matches

Result	Method	Fighter	JITS	Academy	Bracket	Tournament	Format	Date
L	DEC	Caius Michael Geribo	7727-120	Alliance	Grey No Gi Kids · Intermediate · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	NoGi	Dec 28, 2025
W	SUB	Asher Lee	1200+20	Submit Your Friend Academy	Grey No Gi Kids · Intermediate · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	NoGi	Dec 28, 2025
W	SUB	Gabriel Trott	2243+60	Sanders Jiu Jitsu	Grey No Gi Kids · Intermediate · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	NoGi	Dec 28, 2025
W	SUB	William Bissonette	2176+70	Highhatbjj	Grey No Gi Kids · Intermediate · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	NoGi	Dec 28, 2025
L	DEC	Caius Michael Geribo	7727-150	Alliance	Grey No Gi Kids · Intermediate · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	NoGi	Dec 28, 2025
W	SUB	Caius Michael Geribo	7727+750	Alliance	Grey Gi Kids · Grey · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	Gi	Dec 28, 2025
W	SUB	Jasiah Akinsulire	4153+430	Morselli Jiu Jitsu	Grey Gi Kids · Grey · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	Gi	Dec 28, 2025
W	SUB	Marcellus Hansen	3170+270	Hero Jiu Jitsu	Grey Gi Kids · Grey · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	Gi	Dec 28, 2025
L	PTS	Caius Michael Geribo	7727-130	Alliance	Grey Gi Kids · Grey · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	Gi	Dec 28, 2025
W	SUB	William Bissonette	2176+120	Highhatbjj	Grey Gi Kids · Grey · 8 - 9 Years · -75 Lbs	GRAPGrappling Industries NEW HAMPSHIRE	Gi	Dec 28, 2025

Rival Fighters

Gabriel Trott.jits

SANDERS JIU JITSU

H2H6-0

Caius Michael Geribo.jits

Alliance

H2H1-3

Data Sources

Matches29

Placements8

Tournaments4

Medals🥇 6🥈 1🥉 1

Sources

GRAPNAGA

First MatchFeb 2025

Last MatchDec 2025

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

Marin Alexander is a grey belt from Flow BJJ, ranked #151 globally and #81 among grey belts with Prodigy tier status. He has earned 6 gold medals with a perfect 100% gold rate across 4 tournaments, compared to the 28% grey belt average.

He submits at 92%, nearly double the 47% grey belt average, and wins at 87% versus 49%. His DVI is building momentum at the 99th percentile with a rate of 719.8, signaling one of the steepest climbs in his class. He has 5 competitive wins and 21 expected wins. His best win came over Caius Michael Geribo at a +996 rating gap. He competes through Grappling Industries and NAGA with evenly split 15 gi and 15 no-gi matches.

Frequently Asked Questions

Marin Alexander has a 26-4 competition record across 30 matches in 4 tournaments.

Marin Alexander is ranked #168 overall and #93 among grey belt competitors on Jits.gg.

Marin Alexander has earned 6 gold, 1 silver, 1 bronze medals across 4 tournaments.

Marin Alexander trains at Flow BJJ and competes as a grey belt.

Marin Alexander has a 92% submission rate and a 87% win rate across 30 matches.

Marin Alexander is ranked #93 among grey belt competitors on Jits.gg.

Marin Alexander's current Jits rating is 7121. Use the Rating Simulator on Marin Alexander'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.