Proving Grounds X
Proving Grounds X
Auburn, WA
Proving Grounds is Washington State's longest running submission only BJJ and Nogi Grappling Tournament.
Saturday, February 4 2017
8:00 AM
—
6:00 PM
Proving Grounds IX
Proving Grounds IX
Auburn, WA
Proving Grounds is Washington State's longest running submission only BJJ and Nogi Grappling Tournament.
Saturday, October 8 2016
9:00 AM
—
7:00 PM
Proving Grounds VIII
Proving Grounds VIII
Seattle, WA
Proving Grounds is Washington State's longest running submission only BJJ and Grappling Tournament.
Saturday, March 26 2016
9:00 AM
—
6:00 PM
