FRIDAY

PREP TENNIS: Bartlett at Dimond, East at Chugiak, Service at South, Eagle River at West, all at 10 a.m.

PREP VOLLEYBALL: Chugiak Invitational -- Bartlett, Eagle River, East, Dimond, South, Service, Grace Christian, Colony, Soldotna, West Valley, Wasilla, Palmer, Houston, at Chugiak High, 2 p.m.

PREP SWIMMING: East, West, South, at Service High; Chugiak at Dimond; Service, Bartlett, Eagle River, at Bartlett High, all at 4 p.m.

FLAG FOOTBALL: East vs. Service, Anchorage Football Stadium, 5 p.m.; Eagle River at Dimond, 5 p.m.

FOOTBALL: East vs. Service, Anchorage Football Stadium, 7 p.m.; Eagle River at Dimond, 7 p.m.

CYCLING: Arctic Bicycle Club's Mountain Bike (state championship stage race), Kincaid Short Cross Country, 7 p.m.

SATURDAY

GOLF: Anchorage Open, Anchorage Golf Course, 9 a.m.

PREP VOLLEYBALL: Chugiak Invitational -- Bartlett, Eagle River, East, Dimond, South, Service, Grace Christian, Colony, Soldotna, West Valley, Wasilla, Palmer, Houston, at Chugiak High, 9 a.m.

FLAG FOOTBALL: Bartlett vs. South, Anchorage Football Stadium, 10:30 a.m.; Chugiak vs. West, AFS, 5 p.m.

KARATE: Alaska Friendship Karate Tournament, Fairview Recreation Center, noon.

FOOTBALL: Bartlett vs. South, Anchorage Football Stadium, 12:30 p.m.; Chugiak vs. West, AFS, 7 p.m.

CYCLING: Arctic Bicycle Club's Mountain Bike (state championship stage race), Bartlett Short Track, 7 p.m.