TeamTwin Wolves MMA
TournamentAustin Winter Kids International Open IBJJF 2026 - Feb 2026
[ grey / teen-1 ]TX
Derek Josiah Mayfield
Jits
1,770Advanced
~130 Jits to Elite
+720Last event: Feb 22, 2026
#22,209
Overall
Top 25%
Percentile
#8,021
grey Belt
Record
3-443% Win Rate
3 Wins4 Losses
W
L
L
L
W
2-3 Last 5
Trophy Case
1 GoldIBJJF 1Fighter Intelligence
3 TournamentsMedals
4Medals
across 3 tournaments
Gold 1
Silver 3
Bronze 0
25% Gold Rate
Belt Avg 24%
What this means25% of tournament entries result in gold — 1 points above the belt average. Still building a medal collection at this level.
Finishing Ability
100%
Subs
Submission 2
Points 0
Other 0
Belt Avg 52%
+48 pts vs belt avg
Get notified when Derek Josiah Mayfield's rankings update
Advanced Analytics
AI CalculatedGrowth Trajectory
DVIHolding Steady
Competitive — holding steady
Growing faster than 89% of peers
Win Quality
Consistent
Clutch Score: -1.9%
3
Close Wins
4
Losses
7 matches analyzed
Format Split
GI SPECIALIST5 Gi2 NoGi
Gi
3W-2L60%
NoGi
0W-2L0%
Sub Rate
Gi 40%NoGi 0%
60% win rate delta — Gi stronger
Segment Analysis
Malegrey BeltAges 12-1329,089 FightersComparing to 29,089 grey belt fighters
Win Rate
43%avg 45%
AVG
Sub Rate
100%avg 52%
AVG
+48 pts vs avg
Gold Rate
33%avg 24%
AVG
+10 pts vs avg
What This Means
Win rate tracks at 43% for grey belt. 7 matches and counting.
Tale of the Tape
Fighter History
7 matches
| Result | Fighter | JITS | Video |
|---|---|---|---|
| W | 1421+720 | ||
| L | 6001-130 | ||
| L | 6001-160 | ||
| L | 6001-190 | ||
| W | 1020+1090 | ||
| L | 1819-2630 | ||
| W | 1022+1730 |
From Twin Wolves MMA
See all →
Rival Fighters
Scouting Report
Data Sources
Matches7
Placements4
Tournaments3
Medals🥇 1🥈 3
Sources
IBJJFGRAPTAP-CANCER-OUT
First MatchOct 2025
Last MatchFeb 2026
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.
Similar Fighters
About
Derek Josiah Mayfield is a grey belt competitor from Twin Wolves MMA in TX with an impressive 100% submission rate across 7 matches. With a 3-4 record and 1 gold, 3 silver medals, Derek Josiah Mayfield has competed in 3 tournaments.
Frequently Asked Questions
Derek Josiah Mayfield has a 3-4 competition record across 7 matches in 3 tournaments.
Derek Josiah Mayfield is ranked #22209 overall and #8021 among grey belt competitors on Jits.gg.
Derek Josiah Mayfield has earned 1 gold, 3 silver medals across 3 tournaments.
Derek Josiah Mayfield trains at Twin Wolves MMA and competes as a grey belt.
Derek Josiah Mayfield has a 100% submission rate and a 43% win rate across 7 matches.
Derek Josiah Mayfield is ranked #8021 among grey belt competitors on Jits.gg.
Derek Josiah Mayfield's current Jits rating is 1770. Use the Rating Simulator on Derek Josiah Mayfield'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.