Jits.GG
TeamGrindstone Jiu Jitsu Training Center
TournamentGrappling Industries CLEVELAND - Aug 2025
[ grey / youth ]OH

Marianna Rivera

Jits
1,012Novice
~38 Jits to Prospect
-2510Last event: Aug 16, 2025
#76,974
Overall
Top 86%
Percentile
#25,328
grey Belt
Record
0-40% Win Rate
0 Wins4 Losses
L
L
L
L
0-4 Last 5

Fighter Intelligence

1 Tournaments
Medals
2Medals
across 1 tournaments
Gold 0
Silver 1
Bronze 1
0% Gold Rate
Belt Avg 13%
Finishing Ability
0%
Subs
Submission 0
Points 0
Other 0
Belt Avg 22%
-22 pts vs belt avg

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Advanced Analytics

AI Calculated

Growth Trajectory

DVI
Building New Foundation
Building a new foundation

Win Quality

Building
Clutch Score: -18.6%
4
Losses
4 matches analyzed

Format Split

BALANCED
2 Gi2 NoGi
Gi
0W-2L0%
NoGi
0W-2L0%
0% win rate delta

Segment Analysis

Femalegrey BeltAges 8-929,089 Fighters
Comparing to 29,089 grey belt fighters
Win Rate
0%avg 30%
AVG
-30 pts vs avg
Sub Rate
0%avg 22%
AVG
-22 pts vs avg
Gold Rate
0%avg 13%
AVG
-13 pts vs avg
What This Means

Marianna is just getting started. Each tournament adds to the picture — too early for meaningful segment comparisons.

Tale of the Tape

Fighter History

4 matches
ResultMethodFighterJITSAcademyBracketVideoTournamentFormatDate
LSUB
Leonidas Pierson
2592-90
Functions of Brazilian Jiu-jitsu
Grey
No Gi Kids · Intermediate · 6 - 7 Years · -55 Lbs
GRAPGrappling Industries CLEVELAND
NoGiAug 16, 2025
LSUB
Leonidas Pierson
2592-440
Functions of Brazilian Jiu-jitsu
Grey
No Gi Kids · Intermediate · 6 - 7 Years · -55 Lbs
GRAPGrappling Industries CLEVELAND
NoGiAug 16, 2025
LSUB
Leonidas Pierson
2592-230
Functions of Brazilian Jiu-jitsu
Grey
Gi Kids · Grey · 6 - 7 Years · -55 Lbs
GRAPGrappling Industries CLEVELAND
GiAug 16, 2025
LSUB
Roscoe Oster
1083-1750
Kent Jiu Jitsu
Grey
Gi Kids · Grey · 6 - 7 Years · -55 Lbs
GRAPGrappling Industries CLEVELAND
GiAug 16, 2025

From Grindstone Jiu Jitsu Training Center

See all →
George Panagiotou
2,191
2-1 · 100% SUB
Shane Todd
2,187
5-4 · 100% SUB
Ricardo Munoz
1,864
2-2 · 50% SUB
Will Brooks
1,710
2-0 · 100% SUB
JEREMY PUSZAKOWSKI
1,691
2-2 · 100% SUB
Corey Spencer
1,222
1-2 · 0% SUB
Jopsephine Carey
1,166
3-7 · 67% SUB
David Belt
1,142
3-8 · 0% SUB

Rival Fighters

LP

Leonidas Pierson.jits

Functions Of Brazilian Jiu-Jitsu

H2H0-3
Scouting Report
Data Sources
Matches4
Placements2
Tournaments1
Medals🥈 1🥉 1
Sources
GRAP
First MatchAug 2025
Last MatchAug 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

Marianna Rivera is a grey belt competitor from Grindstone Jiu Jitsu Training Center in OH in the early stages of their competition career. With a 0-4 record across 4 matches and 1 silver, 1 bronze medals.

Frequently Asked Questions

Marianna Rivera has a 0-4 competition record across 4 matches in 1 tournaments.
Marianna Rivera is ranked #76974 overall and #25328 among grey belt competitors on Jits.gg.
Marianna Rivera has earned 1 silver, 1 bronze medals across 1 tournaments.
Marianna Rivera trains at Grindstone Jiu Jitsu Training Center and competes as a grey belt.