[naviga:h3]Thursday[/naviga:h3]

SwimmingButler at Seneca Valley, 6 p.m.North Catholic vs. Knoch, 6 p.m., at ButlerMars at Hampton, 5 p.m.Freeport at Indiana, 7 p.m.

WrestlingIndiana at Knoch, 7 p.m.Trinity at Mars, 7 p.m.

BowlingWPIBL girls team championships at Princess Lanes

HockeyMars vs. Armstrong, 7 p.m., Belmont ComplexFox Chapel vs. Freeport, 9 p.m., Belmont Complex[naviga:h3]Friday[/naviga:h3]

Boys BasketballWPIAL PlayoffsClass 3ANorth Catholic vs. Shady Side Academy, 6:30 p.m., at Fox ChapelDistrict 10 PlayoffsClass 4AGeneral McLane at Slippery Rock, 7 p.m.