TournamentSan Diego XVIII Gi - Mar 2026
[ grey / Youth ]CA
Judah Prehn
Jits
3,044Elite
~56 Jits to Prodigy
-190Last event: Jan 25, 2026
#5,302
Overall
Top 6%
Percentile
#2,517
grey Belt
Record
8-189% Win Rate
8 Wins1 Losses
W
W
W
L
W
4-1 Last 5+3 Streak
Trophy Case
4 GoldGRAPPLING-X 4GRAPPLING-X 1/25/ SAN GIJan 25, 2026
GRAPPLING-X 1/25/ SAN GIJan 25, 2026
GRAPPLING-X 1/25/ SAN NO-GIJan 25, 2026
GRAPPLING-X 1/25/ SAN NO-GIJan 25, 2026
GRAPPLING-X 5/24/ SAN GIMay 24, 2025
GRAPPLING-X 5/24/ SAN GIMay 24, 2025
GRAPPLING-X 5/24/ SAN NO-GIMay 24, 2025
GRAPPLING-X 5/24/ SAN NO-GIMay 24, 2025
Fighter Intelligence
4 TournamentsMedals
4Medals
across 4 tournaments
Gold 4
Silver 0
Bronze 0
100% Gold Rate
Belt Avg 28%
What this means100% of tournament entries result in gold — 72 points above the belt average. Elite podium consistency — this fighter dominates their brackets.
Finishing Ability
100%
Subs
Submission 8
Points 0
Other 0
Belt Avg 49%
+51 pts vs belt avg
What this means100% of wins by submission — 51 points above the belt average. This fighter has elite finishing ability for their rank.
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Advanced Analytics
AI CalculatedGrowth Trajectory
DVIDominant
Dominant — winning at an elite level
Growing faster than 87% of peers
Win Quality
Giant Killer
Clutch Score: +22.1%
8
Close Wins
1
Losses
9 matches analyzed
Format Split
NOGI SPECIALIST5 Gi4 NoGi
Gi
4W-1L80%
NoGi
4W-0L100%
Sub Rate
Gi 80%NoGi 100%
20% win rate delta — NoGi stronger
Segment Analysis
Malegrey BeltAges 14-1529,089 FightersComparing to 29,089 grey belt fighters
Win Rate
89%avg 50%
AVG
+39 pts vs avg
Sub Rate
100%avg 49%
AVG
+51 pts vs avg
Gold Rate
50%avg 28%
AVG
+22 pts vs avg
What This Means
Ranked #2517 of 29,089 grey belts. 89% win rate across 9 matches.
Tale of the Tape
Next Tournaments
JJWL
San Diego Xviii NogiMar 28, 2026
MaleNoGi · Juvenile (17 and Under) 2008-2010 · grey·120-134
| # | Name | JITS | Academy | Record |
|---|---|---|---|---|
| 1 | Judah Prehn | 3,044 | North Park Brazilian Jiu Jitsu | 8-1 |
| 2 | Brad Chow | 1,824 | Chula Vista BJJ | 6-3 |
2 Fighters — Best 2 out of 3
Your chance to win gold: 54%
JJWL
San Diego Xviii GiMar 28, 2026
MaleGi · Juvenile (17 & Under) 2008-2010 · grey·120-134
Solo — free medalFighter History
9 matches
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| W | SUB | 1020+620 | Winner Behring | Grey No-gi---teen Divisions · 13-15 · Grey Belts · Intermediate · 100.1- 115 Lbs | NoGi | Jan 25, 2026 | |||
| W | SUB | 1020+590 | Winner Behring | Grey No-gi---teen Divisions · 13-15 · Grey Belts · Intermediate · 100.1- 115 Lbs | NoGi | Jan 25, 2026 | |||
| W | SUB | 2830+770 | Gracie Humaita South Bay | Grey Gi-- Teen Divisions · 15-17 · Grey · 100.1 - 115 Lbs | Gi | Jan 25, 2026 | |||
| L | SUB | 2830-2890 | Gracie Humaita South Bay | Grey Gi-- Teen Divisions · 15-17 · Grey · 100.1 - 115 Lbs | Gi | Jan 25, 2026 | |||
| W | SUB | 2830+720 | Gracie Humaita South Bay | Grey Gi-- Teen Divisions · 15-17 · Grey · 100.1 - 115 Lbs | Gi | Jan 25, 2026 | |||
| W | SUB | 1028+1150 | 760 Jiu Jitsu | White No-gi---teen Divisions · 12-14 · White Belts · Beginner · 100.1- 120 Lbs | NoGi | May 24, 2025 | |||
| W | SUB | 1136+690 | Kor Training Center | White No-gi---teen Divisions · 12-14 · White Belts · Beginner · 100.1- 120 Lbs | NoGi | May 24, 2025 | |||
| W | SUB | 1028+990 | 760 Jiu Jitsu | White Gi-- Teen Divisions · 13-14 · White · 100.1- 115 Lbs | Gi | May 24, 2025 | |||
| W | SUB | 1028+570 | 760 Jiu Jitsu | White Gi-- Teen Divisions · 13-14 · White · 100.1- 115 Lbs | Gi | May 24, 2025 |
From North Park Brazilian Jiu Jitsu
See all →
Rival Fighters
Scouting Report
Data Sources
Matches9
Placements4
Tournaments4
Medals🥇 4
Sources
GRAPPLING-X
First MatchMay 2025
Last MatchJan 2026
Stats verified from completed tournaments only, may not represent a fighter's true record.
FloGrappling Videos
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Similar Fighters
About
Judah Prehn is a grey belt competitor from North Park Brazilian Jiu Jitsu in CA with an impressive 100% submission rate across 9 matches. With a 8-1 record and 4 gold medals, Judah Prehn has competed in 4 tournaments.
Frequently Asked Questions
Judah Prehn has a 8-1 competition record across 9 matches in 4 tournaments.
Judah Prehn is ranked #5302 overall and #2517 among grey belt competitors on Jits.gg.
Judah Prehn has earned 4 gold medals across 4 tournaments.
Judah Prehn trains at North Park Brazilian Jiu Jitsu and competes as a grey belt.
Judah Prehn has a 100% submission rate and a 89% win rate across 9 matches.
Judah Prehn is ranked #2517 among grey belt competitors on Jits.gg.
Judah Prehn's current Jits rating is 3044. Use the Rating Simulator on Judah Prehn'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.