TournamentSan Diego XVIII Gi - Mar 2026

[ grey / Youth ]

Isaac Mierez

Jits

1,275Prospect

~125 Jits to Advanced

+40Last event: Jan 25, 2026

#44,737

Overall

Top 50%

Percentile

#14,581

grey Belt

Record

6-1038% Win Rate

6 Wins10 Losses

2-3 Last 5

Fighter Intelligence

7 Tournaments

Medals

5Medals

across 7 tournaments

Gold 0

Silver 2

Bronze 3

0% Gold Rate

Belt Avg 23%

What this means0% of tournament entries result in gold — 23 points below the belt average. Still building a medal collection at this level.

Finishing Ability

33%

Subs

Submission 2

Points 4

Other 0

Belt Avg 49%

-16 pts vs belt avg

What this means33% of wins by submission — 16 points below the belt average. This fighter wins primarily through points and decisions.

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Advanced Analytics

AI Calculated

Growth Trajectory

DVI

Holding Steady

Competitive — holding steady

Growing faster than 50% of peers

Win Quality

Growing

Clutch Score: -5.9%

Close Wins

Losses

Best win: Beat Keyan Eskandari (3987 pts higher)

16 matches analyzed

Format Split

GI SPECIALIST

9 Gi7 NoGi

4W-5L44%

NoGi

2W-5L29%

Sub Rate

Gi 11%NoGi 14%

16% win rate delta — Gi stronger

Segment Analysis

Malegrey BeltAges 8-929,089 Fighters

Comparing to 29,089 grey belt fighters

Win Rate

41%avg 55%

AVG

-14 pts vs avg

Sub Rate

33%avg 49%

AVG

-16 pts vs avg

Gold Rate

0%avg 23%

AVG

-23 pts vs avg

What This Means

Win rate tracks at 41% for grey belt. 17 matches and counting.

Tale of the Tape

Next Tournaments

JJWL

San Diego Xviii GiMar 28, 2026

MaleGi · Pre Teen 2015-2016 · grey·70-79

#	Name	JITS	Academy	Record
1	Kaito Nakajima	5,413	Alliance Jiu Jitsu South Bay	28-6
2	Kayan Eskandari	4,714	Art of Jiu Jitsu	57-23
3	Jaden Solancho	4,600	Checkmat Corona	24-11
4	Jt Sciarra	4,046	Art of Jiu Jitsu	20-7
5	Bronte Collins	3,654	Guillobel	16-5
6	Michael Miller	3,625	Victory MMA	38-25
7	Julius Khati	3,151	Silva Jiu Jitsu Academy	10-8
8	Wylie Dean Avinion	2,696	Prism Jiu Jitsu	13-13
9	Kai Coudriet	2,060	Conde Koma BJJ	13-11
10	Beau Kelly	2,047	Primal Jiu Jitsu	10-7
11	Grayson de Hoyos	1,659	San Diego Judo and Jiujitsu	6-8
12	Warren Haskell	1,508	Alliance Jiu Jitsu Carlsbad	5-6
13	Elijah Chavez	1,474	The Stronghold Eastlake Jiu Jits	3-2
14	Ivan Stepanov	1,470	Alliance BJJ San Marcos	4-7
15	Isa James Kricken	1,439	Kola Ajose BJJ	23-25
16	Isaac Mierez	1,275	Bonita Martial Arts Academy	6-10
17	Renzo Valdez	1,202	Clube de Jiu Jitsu Pitbull	20-40
18	Elijah Agustin	1,174	Gracie Humaita South Bay	5-6
19	Oliver Miranda	1,129	Ramona BJJ	8-21
20	Aleksandr Banga	1,106	Atos HQ	1-6
21	Colt Carminati	1,015	Eidson BJJ	0-4
22	Urijah Reyes	1,012	Alliance Jiu-jitsu Yucaipa	0-2
23	Gael Villagomez	1,008	Kainga Jiu Jitsu	0-2
24	Marcus Fune	—	Soca Brazilian Jiujitsu	—

24 Fighters — Multiple brackets · 2–3 wins to gold

Your chance to win gold: 2%

JJWL

San Diego Xviii NogiMar 28, 2026

MaleNoGi · Pre Teen 2015-2016 · white·70-79

#	Name	JITS	Academy	Record
1	Nikolai Hysmith	1,888	One Jiu Jitsu HQ	13-8
2	Daniel Shirieav	1,811	R1ng	4-2
3	Isaac Mierez	1,275	Bonita Martial Arts Academy	6-10
4	Ryan Rosales	1,182	Checkmat Moreno Valley - Randori	6-2

4 Fighters — 2–3 wins to gold

Your chance to win gold: 18%

Fighter History

16 matches

Result	Method	Fighter	JITS	Academy	Bracket	Tournament	Format	Date
L	PTS	Renzo Valdez	1202-430	Clube de Jiu Jitsu Pitbull	Grey No-gi --youth Divisions · 9-10 · Grey Belts · Intermediate · 70.1- 80 Lbs	GRAPPLING-XGrappling X 1/25/2026 San Diego Jiu Jitsu Championships. National City, CA	NoGi	Jan 25, 2026
L	SUB	Edward Zalinyan	4983-110	Baza	Grey No-gi --youth Divisions · 9-10 · Grey Belts · Intermediate · 70.1- 80 Lbs	GRAPPLING-XGrappling X 1/25/2026 San Diego Jiu Jitsu Championships. National City, CA	NoGi	Jan 25, 2026
W	PTS	Nathan Duran	2429+570	Six Blades Jiu Jitsu	Grey Gi-- Youth Divisions · 9-10 · Grey · 9-10 · 70.1- 80 Lbs 9-10 Years Old	GRAPPLING-XGrappling X 1/25/2026 San Diego Jiu Jitsu Championships. National City, CA	Gi	Jan 25, 2026
W	PTS	Anthony Platero	1011+290	North Park Jiu Jitsu	Grey Gi-- Youth Divisions · 9-10 · Grey · 9-10 · 70.1- 80 Lbs 9-10 Years Old	GRAPPLING-XGrappling X 1/25/2026 San Diego Jiu Jitsu Championships. National City, CA	Gi	Jan 25, 2026
L	PTS	Nathan Duran	2429-280	Six Blades Jiu Jitsu	Grey Gi-- Youth Divisions · 9-10 · Grey · 9-10 · 70.1- 80 Lbs 9-10 Years Old	GRAPPLING-XGrappling X 1/25/2026 San Diego Jiu Jitsu Championships. National City, CA	Gi	Jan 25, 2026
L	SUB	William Dowell Ward	5760-120	Carlson Gracie Gilbert	Grey No-gi --youth Divisions · 7-8 · Grey Belts · Intermediate · 70.1 - 80 Lbs	GRAPPLING-XGrappling X 8/16/2025 San Diego Jiu Jitsu Championships. National City, CA	NoGi	Aug 16, 2025
W	SUB	Archibald Wang	1258+610	Atos HQ	Grey No-gi --youth Divisions · 7-8 · Grey Belts · Intermediate · 70.1 - 80 Lbs	GRAPPLING-XGrappling X 8/16/2025 San Diego Jiu Jitsu Championships. National City, CA	NoGi	Aug 16, 2025
L	PTS	Archibald Wang	1258-320	Atos HQ	White Gi-- Youth Divisions · 7-8 · White & Grey · 70.1 - 80 Lbs	GRAPPLING-XGrappling X 8/16/2025 San Diego Jiu Jitsu Championships. National City, CA	Gi	Aug 16, 2025
W	SUB	Samuel Bojorquez	2144+850	Alliance Jiu Jitsu Chula Vista	White Gi-- Youth Divisions · 7-8 · White & Grey · 70.1 - 80 Lbs	GRAPPLING-XGrappling X 8/16/2025 San Diego Jiu Jitsu Championships. National City, CA	Gi	Aug 16, 2025
L	SUB 0-0	Mateo Castro	1476-680	Carlson Gracie Temecula	Grey Youth · 60-69	JJWLSan Diego XVI NoGi Youth	NoGi	Apr 12, 2025

From Bonita Martial Arts Academy

Scouting Report

Bonita Martial Arts Academy & Federation →

Data Sources

Matches16

Placements7

Tournaments7

Medals🥈 2🥉 3

Sources

GRAPPLING-XJJWL

First MatchFeb 2025

Last MatchJan 2026

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

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About

Isaac Mierez is a grey belt competitor from Bonita Martial Arts Academy in CA with 17 matches across 7 tournaments. Holds a 7-10 record with 2 silver, 3 bronze medals.

Frequently Asked Questions

Isaac Mierez has a 7-10 competition record across 17 matches in 7 tournaments.

Isaac Mierez is ranked #44737 overall and #14581 among grey belt competitors on Jits.gg.

Isaac Mierez has earned 2 silver, 3 bronze medals across 7 tournaments.

Isaac Mierez trains at Bonita Martial Arts Academy and competes as a grey belt.

Isaac Mierez has a 33% submission rate and a 41% win rate across 17 matches.

Isaac Mierez is ranked #14581 among grey belt competitors on Jits.gg.

Isaac Mierez's current Jits rating is 1275. Use the Rating Simulator on Isaac Mierez'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.