TODAY
PREP RUNNING: Anchorage Christian Schools Challenge, Cheney Lake, 3:30 p.m.
AUTO RACING: Alaska Raceway Park, Sub-Zero SoloCross, 6 p.m.
SATURDAY
GOLF: Alaska Golf Association -- first day of fall two-person jackpot, Moose Run Creek Course, 9 a.m.
PREP FLAG FOOTBALL: Eagle River vs. Service, Anchorage Football Stadium, 10 a.m.; South at Dimond, 1 p.m.; Bartlett at Chugiak, 1 p.m.; East vs. West, AFS, 5 p.m.
PREP TENNIS: East vs. Dimond, Alaska Club North, 10 a.m.; Service vs. South, Alaska Club East, 10 a.m.; West vs. Eagle River, Alaska Club North, 10 a.m.; Chugiak at Bartlett, 10 a.m.
PREP GYMNASTICS: Bartlett/West vs. Eagle River, Chugiak, 11 a.m.; South/Chugiak vs. Dimond, Dimond, 11 a.m.; Service vs. East, Dimond, 3 p.m.
CYCLOCROSS: Arctic Cross No. 1, Elmore Family Park, 11 a.m.
PREP FOOTBALL: Eagle River vs. Service, Anchorage Football Stadium, noon; Bartlett at Chugiak, 3 p.m.; South at Dimond, 3 p.m.; East vs. West, AFS, 7 p.m.
PREP RUNNING: Lynx Invite, Kincaid, girls at 1 p.m.; boys at 1:30 p.m.; Palmer Invitational, Palmer, TBA.
AUTO RACING: Sports Car Club of America RallyCross, Alaska Raceway Park, Palmer, 6 p.m.
MOTOR SPORTS: Anchorage Racing Lions city race #10, Kincaid Park.