FRIDAY
PREP VOLLEYBALL: West Spiketacular, West High, 2 p.m.
PREP TENNIS: Bartlett vs. Service, The Alaska Club North, 2 p.m.; Chugiak vs. Eagle River, The Alaska Club East, 2 p.m.
PREP SWIMMING: East and West Valley and West, at West High; Service and Chugiak and Eagle River, at Bartlett High; Bartlett and South and Dimond, at Dimond High, all at 4 p.m.
PREP GYMNASTICS: Chugiak vs. Eagle River vs. Bartlett, at Chugiak High; Service vs. East vs. West, at Chugiak High, all at 4:30 p.m.
PREP FLAG FOOTBALL: South vs. West, Anchorage Football Stadium, 5 p.m.; Service at Dimond, 5 p.m.
PREP FOOTBALL: South vs. West, Anchorage Football Stadium, 7 p.m.; Service at Dimond, 7 p.m.
PRO BOXING: Friday Night KO, AT&T Pavilion Center, 7 p.m.
SATURDAY
RUNNING: End of Days Fun Run, Series No. 4, UAA Central Parking Garage, 7:45 a.m.; Arctic Cross Series Race No. 3, Moseley Sports Center, 11 a.m.
PREP SWIMMING: Bartlett/Chugiak Invite, Diving at Chugiak at 9 a.m.; Swimming at Bartlett at 11 a.m.
PREP VOLLEYBALL: West Spiketacular, West High, 9 a.m.
PREP FLAG FOOTBALL: Chugiak vs. Bartlett, Anchorage Football Stadium, noon; Eagle River vs. East, at Dimond High, noon.
PREP CROSS COUNTRY: Cook Inlet Conference Championships, Kincaid Park, varsity girls at 2 p.m.; varsity boys at 2:45 p.m.
PREP FOOTBALL: Chugiak vs. Bartlett, Anchorage Football Stadium, 2 p.m. Eagle River vs. East, at Dimond High, 2 p.m.