CALENDAR

TODAY

BASKETBALL
>> Hawaii College Basketball League, playoffs, semifinals: Mechanical Enterprises vs. Lane Auto Group, 6 p.m.; Society Contracting vs. Electricians Hawaii, 7:30 p.m. Games at Manoa Valley District Park Gym.

EXTREME SPORTS
>> Spartan Race: 6 a.m. at Kualoa Ranch.

FOOTBALL
>> Nonleague: Waialua at Waiakea, 2:30 p.m.; Damien at Castle, 3 p.m.; Lahainaluna at Pearl City, 6 p.m.; Pac-Five vs. McKinley, 6 p.m. at Farrington; Saint Louis at Waianae, 6:30 p.m.; St. Francis at Leilehua, 6:30 p.m.

GOLF
>> Men’s Army Invitational: Third round, 6:51 a.m., Leilehua Golf Course.

PADDLING
>> HCRA State Championship, 8:30 a.m. at Hanakao‘o Beach Park, Maui.

TENNIS
>> Kailua Night Doubles, finals, 7:10 p.m. at Kailua Racquet Club.

SUNDAY

EXTREME SPORTS
>> Spartan Race: 6 a.m. at Kualoa Ranch.

POLO
>> Honolulu Polo Club: Koru Kiwi Challenge, 3 p.m. at Waimanalo Polo Field.