Lamorinda U13B Navy team was a finalist in the 2013 Mustang Stampede Tournament. The team played five games in three days.
With two wins, against MVSC Fusion and Santa Rosa Sparta, and one loss, against De Anza Force, the boys qualified for the semifinals.
In the semifinals, the team faced San Juan Lightning. They battled to a 1-0 win to advance to the championship game. They dropped the finals match 0-1 to De Anza.