Kaena Point hike: Miles and Maureen Brubacher of the Hawaiian Trail & Mountain Club lead a four-mile shoreline stroll, 9 a.m. Saturday. Costs $2. Call 261-7814.
Makapuu hike: Robert Lockridge leads a sunny coastal hike, Saturday. Four miles, four hours. Costs $7. Call the Hawai‘i Nature Center at 955-0100.
Tai chi classes: Wahiawa General Hospital is taking registration for classes with Rev. Christopher K. Eng of Waipahu United Church of Christ, Saturday mornings in Wahiawa, Oct. 19 through Dec. 21, and with Herbert Pong, Saturday mornings in Haleiwa beginning Oct. 26. Eng’s class costs $20 to $30; Pong’s class is free. Call 621-4380 for Wahiawa classes, 638-7129 for Haleiwa classes.
Box car competition: Drivers test their skills, 9 a.m. to 3 p.m. Saturday, north end of Paiwa Road, Waikele. Box cars must conform to standards of American Box Car Racing International. Call 947-3393.
Mayor’s Sunday on Wheels: Family bike ride starts 9 a.m. Sunday at Kailua District Park. Music, games and food through noon. Call 527-5666.
Hawaiian Cribbage Extravaganza: Enter by Sunday to participate in cribbage tournaments Oct. 25 through 28 at the Ilikai hotel. Admission is free for spectators. Games begin at 6 p.m. Oct. 25 and 9 a.m. other days. Awards ceremony and dinner will be 6 p.m. Oct. 28; banquet $25. For application form, call Tsarkie at 734-4800.
Sports Acrobatics Hawaii: Hawaii Highflyers Trampoline Club for adults and kids, 4 and 5 p.m. Mondays and Wednesdays, McCully Recreation Center. Call Karl Vorwerk at 949-3747.
Waikiki Acrobatic Troupe meets 4 p.m. Sundays at the beach across Kapiolani Park Bandstand; free workout at UH Studio Four 8 p.m. Wednesdays. Call Don Heafner at 536-7205.
Learn to swim: Children practice Saturday mornings at Ala Moana Beach; adults, Monday, Wednesday and Thursday evenings. Free. Call the American Red Cross, 734-2101 ext. 123 or 124.
Free hike to Diamond Head: Meet the Clean Air Team at the Honolulu Zoo entrance, 9 a.m. Saturdays. Three miles to the top. Call 948-3299.
Philippine folk dancing: 2:30 to 4:30 p.m. Saturdays, Lanakila Gym. Free. Call 455-9963.
Hash House Harriers: Social runs with Aloha group 3 p.m. Saturdays; call 948-AHHH (948-2444). Or Honolulu group 5:30 p.m. Tuesdays; call 948-HASH (948-4274).
Hawaii Israeli Recreational Dance: Noon to 3 p.m. Sundays, Ala Wai Ballroom. Costs $3.50. Call 623-3603.
Honolulu Marathon Clinic: Free training runs with Jack Scaff and staff, 7:30 a.m. Sundays, Kapiolani Park Bandstand. Call Norm at 247-4957. No meetings on three-day weekends.
Ikebana classes Lillian Koide teaches flower arrangement 9 a.m. to noon Wednesdays at the Japanese Cultural Center. Tuition $30 per month plus supplies. Call 537-5765 evenings.
International folk dancing: Includes Bulgarian, Greek, Rumanian and Israeli dances, 7 to 9:15 p.m. Sundays, Makiki District Park. Donation. Call 923-0362.
Line dancing: 9:30 to 11 a.m. Tuesdays, Waikiki Community Center. Costs $3. Call 923-1802.
Scandinavian dancing: 7 to 9 p.m. Wednesdays, Ala Wai Golf Course Clubhouse. Free. Call 922-0793 or 955-2577.
Pali Twirlers square dance: 7:30 to 9:30 p.m. Thursdays, Yacht Club Terrace. Call 254-2333.
Honolulu Zoo: The zoo opens at 8 a.m. on the first and third Wednesdays of the month. General admission $6; $2 with Yum Yum Tree senior card. First Wednesdays feature a botanical tour at 8:45 a.m. for $2 more. Third Wednesdays, tai chi practice begins 8 a.m. Call 971-7174.
Nature Conservancy hikes: Two guided hikes a month to Honouliuli Preserve, home to more than 45 rare native plants and animals. Donation. Call 537-4508.