PREP SWIMMING: State championships, Bartlett High, swimming preliminaries begin at 1 p.m.; diving preliminaries at 3:30 p.m.
PREP RIFLERY: Service at Bartlett; West at East; Dimond at Chugiak; South at Eagle River, all at 3:30 p.m.
PREP VOLLEYBALL: Cook Inlet Conference championships, Service High, matches at 4 p.m., 5:45 p.m., 7:30 p.m.
PREP BOYS HOCKEY: South vs. Palmer, Ben Boeke Arena, 6:45 p.m.; Chugiak vs. Bartlett, McDonald Center, 7:15 p.m.
PREP SWIMMING: State championships, Bartlett High, diving semifinals at 9:30 a.m.; Swimming and diving finals begin 1 p.m.
PREP VOLLEYBALL: Cook Inlet Conference championship, Service High, matches at 2 p.m. and 4 p.m., championship match at 6 p.m.
PREP GIRLS HOCKEY: Service-East vs. Chugiak-Eagle River, Ben Boeke Arena, 5:15 p.m.
PREP BOYS HOCKEY: Service vs. Eagle River, Ben Boeke Arena, 6:45 p.m.