TournamentNAGA San Jose Grappling Championship - Sep 2025
[ grey / Youth ]CA
Colby Walker
Jits
2,395Elite
~705 Jits to Prodigy
+550Last event: Sep 20, 2025
#10,454
Overall
Top 12%
Percentile
#4,378
grey Belt
Record
6-186% Win Rate
6 Wins1 Losses
W
L
W
W
W
4-1 Last 5
Trophy Case
2 GoldNAGA 1 · JJWL 1Fighter Intelligence
2 TournamentsMedals
3Medals
across 2 tournaments
Gold 2
Silver 1
Bronze 0
67% Gold Rate
Belt Avg 23%
What this means67% of tournament entries result in gold — 44 points above the belt average. Elite podium consistency — this fighter dominates their brackets.
Finishing Ability
83%
Subs
Submission 5
Points 1
Other 0
Belt Avg 46%
+37 pts vs belt avg
What this means83% of wins by submission — 37 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 60% of peers
Win Quality
Giant Killer
Clutch Score: +18.5%
6
Close Wins
1
Losses
7 matches analyzed
Format Split
GI SPECIALIST5 Gi2 NoGi
Gi
5W-0L100%
NoGi
1W-1L50%
Sub Rate
Gi 80%NoGi 50%
50% win rate delta — Gi stronger
Segment Analysis
Malegrey BeltAges 12-1329,089 FightersComparing to 29,089 grey belt fighters
Win Rate
86%avg 48%
AVG
+38 pts vs avg
Sub Rate
83%avg 46%
AVG
+37 pts vs avg
Gold Rate
100%avg 23%
AVG
+77 pts vs avg
What This Means
Ranked #4378 of 29,089 grey belts. 86% win rate across 7 matches.
Tale of the Tape
Fighter History
7 matches
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| W | SUB | 1563+470 | New Creation Wrestling and Jiu Jitsu Llc | Grey Beginner · 12-13 · 110-125 | NAGASan Jose | NoGi | Sep 20, 2025 | ||
| L | SUB | 1982-1840 | Granite Bay Jiu Jitsu | White Beginner · 12-13 · 110-125 | NAGASan Jose | NoGi | Sep 20, 2025 | ||
| W | PTS | 1982+630 | Granite Bay Jiu Jitsu | Grey Beginner · 12-13 · 110-125 | NAGASan Jose | Gi | Sep 20, 2025 | ||
| W | SUB | 1982+1290 | Granite Bay Jiu Jitsu | Grey Beginner · 12-13 · 110-125 | NAGASan Jose | Gi | Sep 20, 2025 | ||
| W | SUB 7-2 | 1811+1560 | Ta Danado Jiu Jitsu | White JR Teen · 110-119 | Gi | Mar 22, 2025 | |||
| W | SUB 6-0 | 1314+1050 | Gracie Fighter Manteca | White JR Teen · 110-119 | Gi | Mar 22, 2025 | |||
| W | SUB 15-0 | 1008+680 | Raul Castillo Martial Arts | White JR Teen · 110-119 | Gi | Mar 22, 2025 |
From Studio 86 Jiu Jitsu
See all →
Rival Fighters
Scouting Report
Data Sources
Matches7
Placements3
Tournaments2
Medals🥇 2🥈 1
Sources
NAGAJJWL
First MatchMar 2025
Last MatchSep 2025
Stats verified from completed tournaments only, may not represent a fighter's true record.
FloGrappling Videos
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Similar Fighters
About
Colby Walker is a grey belt competitor from Studio 86 Jiu Jitsu in CA with an impressive 83% submission rate across 7 matches. With a 6-1 record and 2 gold, 1 silver medals, Colby Walker has competed in 2 tournaments.
Frequently Asked Questions
Colby Walker has a 6-1 competition record across 7 matches in 2 tournaments.
Colby Walker is ranked #10454 overall and #4378 among grey belt competitors on Jits.gg.
Colby Walker has earned 2 gold, 1 silver medals across 2 tournaments.
Colby Walker trains at Studio 86 Jiu Jitsu and competes as a grey belt.
Colby Walker has a 83% submission rate and a 86% win rate across 7 matches.
Colby Walker is ranked #4378 among grey belt competitors on Jits.gg.
Colby Walker's current Jits rating is 2395. Use the Rating Simulator on Colby Walker'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.