Grudge Training Center
Grudge Training Center was a mixed martial arts training center founded by coach Trevor Wittman in 2009. Originally located in Wheat Ridge, Colorado, GTC relocated to Arvada, Colorado in 2013. The gym was an affiliate of Jackson's Submission Fighting. Wittman closed Grudge in November 2016.
Address
5405 West 56th Avenue Unit H, Arvada, CO 80002
Website
http://www.grudgetrainingcenter.com
Performance Overview
"Building complete fighters with 2 wins across all disciplines"
Notable Fighters
Top performers from Grudge Training Center
Gym DNA Profile
Performance signature across 6 key metrics
Gym DNA History
Key metric evolution over time (11 snapshots)
- Overall
- Kill Rate
- Activity
- Prospects
Performance Timeline
Last 90 days momentum
90-day change
2W-1L
66.7%
up
Recent Fight Results
Last 15 recorded fights
10W-5L
Recent record
Josh Emmett
vs Kevin Vallejos
KO/TKO
Kevin Vallejos
vs Josh Emmett
KO/TKO
Justin Gaethje
vs Paddy Pimblett
Decision
Brandon Royval
vs Tatsuro Taira
split decision
Brandon Royval
vs Alexandre Pantoja
submission
Rose Namajunas
vs Zhang Weili
KO/TKO
Chris Gutiérrez
vs Frankie Edgar
KO/TKO
Justin Gaethje
vs Charles Oliveira
submission
Justin Gaethje
vs Charles Oliveira
submission
Brandon Royval
vs Brandon Moreno
submission
Chris Gutiérrez
vs Danaa Batgerel
KO/TKO
Justin Gaethje
vs Michael Chandler
KO/TKO
Justin Gaethje
vs Michael Chandler
KO/TKO
Chris Gutiérrez
vs Andre Ewell
decision
Rose Namajunas
vs Zhang Weili
KO/TKO
Fighter Performance Trends
12-month trajectory of top fighters
- Justin Gaethje
Justin Gaethje
27W-5L
Gym Influence Graph
Top contributors to gym success
Compare Performance
See how Grudge Training Center stacks up against other top gyms in the region
Start Comparison