TournamentGS XV NoGi Youth - Jan 2026
[ grey / Youth ]CA
William Gierok
Jits
1,031Novice
~19 Jits to Prospect
-620Last event: Jan 31, 2026
#66,437
Overall
Top 74%
Percentile
#22,025
grey Belt
Record
0-60% Win Rate
0 Wins6 Losses
L
L
L
L
L
0-5 Last 5
Fighter Intelligence
3 TournamentsMedals
0Medals
across 3 tournaments
0% Gold Rate
Belt Avg 23%
Finishing Ability
0%
Subs
Submission 0
Points 0
Other 0
Belt Avg 46%
-46 pts vs belt avg
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Advanced Analytics
AI CalculatedGrowth Trajectory
DVIBuilding New Foundation
Building a new foundation
Growing faster than 31% of peers
Win Quality
Building
Clutch Score: -22.2%
6
Losses
6 matches analyzed
Format Split
BALANCED6 Gi0 NoGi
Gi
0W-6L0%
NoGi
0W-0L—%
0% win rate delta
Segment Analysis
Malegrey BeltAges 12-1329,089 FightersComparing to 29,089 grey belt fighters
Win Rate
0%avg 48%
AVG
-48 pts vs avg
Sub Rate
0%avg 46%
AVG
-46 pts vs avg
Gold Rate
0%avg 23%
AVG
-23 pts vs avg
What This Means
William is getting tournament reps in. Tournament experience building with each event.
Tale of the Tape
Fighter History
6 matches
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| L | PTS 0-4 | 3520-140 | Kola Ajose BJJ | Grey JR Teen · 80-89 | JJWLGS XV Gi Youth | Gi | Jan 31, 2026 | ||
| L | PTS 0-7 | 4964-130 | Marcio Andre BJJ | Grey JR Teen · 80-89 | JJWLGS XV Gi Youth | Gi | Jan 31, 2026 | ||
| L | DEC 0-4 | 3520-170 | Kola Ajose BJJ | Grey JR Teen · 80-89 | JJWLGS XV NoGi Youth | Gi | Jan 31, 2026 | ||
| L | PTS 0-7 | 4964-180 | Marcio Andre BJJ | Grey JR Teen · 80-89 | JJWLGS XV NoGi Youth | Gi | Jan 31, 2026 | ||
| L | SUB 0-3 | 3201-1030 | Satori No Michi Dojo | Grey JR Teen · 80-89 | Gi | Nov 22, 2025 | |||
| L | PTS 0-2 | 2751-120 | Castro Mixed Martial Arts | Grey JR Teen · 80-89 | Gi | Nov 22, 2025 |
From Gracie Fighter Pleasant Hill
See all →
Scouting Report
Data Sources
Matches6
Placements3
Tournaments3
Medals-
Sources
JJWL
First MatchNov 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
William Gierok is a grey belt competitor from Gracie Fighter Pleasant Hill in CA with a 0-6 competition record. Competing since 2025.
Frequently Asked Questions
William Gierok has a 0-6 competition record across 6 matches in 3 tournaments.
William Gierok is ranked #66437 overall and #22025 among grey belt competitors on Jits.gg.
William Gierok trains at Gracie Fighter Pleasant Hill and competes as a grey belt.
William Gierok is ranked #22025 among grey belt competitors on Jits.gg.
William Gierok's current Jits rating is 1031. Use the Rating Simulator on William Gierok'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.