Complex sentence: The team won the state championship in 1997 but sadly that is the only one they have, was a state champion runner-up in 2000, and placed third in 3A WIAA State playoffs in 1999,2002,2008,2009, and 2010.
Split into simpler sentences: The team won the state championship in 1997, but sadly that is the only one they have. They were state champion runner-ups in 2000 and placed third in 3A WIAA State playoffs in 1999,2002,2008,2009, and 2010.