The Spartans franchise won the Founders Cup as Canada's Junior B box lacrosse champions in 1981 and 1996.

In 2002, the Spartans were league champions again, but lost the national final to the Clarington Green Gaels.

In 1994, the team shortened its name to just the "Spartan Warriors" and in 1996 won the league and national championships again.

In the 1996 national final, the Spartan Warriors defeated the Orillia Rama Kings to win it all.

This resulted in Spartans being renamed to the Athletics and repurposed to serve as a direct affiliate the Junior "A" Athletics, thus ending over 50 years of Spartans Lacrosse History.