The 25th annual Harbor Heritage Run series of races start at 8 a.m. at Davidson Field, Newport Harbor High School, 600 Irvine Ave., Newport Beach. To find out about entry fees and register for the 5k, 2k and Kids Klassic Races, go to http://www.harborheritagerun.com.
The 2nd annual Newport Beach Conservancy Symposium is from 9 a.m. to 3 p.m. at 600 Shellmaker Island, Newport Beach. The event will feature experts talking about birds that migrate to and from Newport Bay. For more information, visit http://www.newportbay.org.
Chili and Fun
The Costa Mesa Boosters and Early College High School ASB and staff will put on a Fall Festival/Chili Contest at Halecrest Park. The free event is from 11 a.m. to 5 p.m., and features children's games, food booths and a craft boutique. For more information, call the (714) 557-7234 or go to http://www.halecrestpark.com.
Taco Rosa Newport Beach, 2632 San Miguel Road, will host a fundraiser to support the Newport-Mesa Schools Foundation at 3 p.m. For a $30 donation, one can watch Taco Rosa's founder Ivan Calderon put on a carnitas cooking demonstration, taste tequila, have dinner, dessert and other treats. For reservations, call (949) 720-0980. Walk-ins are also welcome.
The Center for Living Peace and PBS SoCal host a free screening of "Peace Unveiled" at 3: 30 p.m. at the center's headquarters, 4139 Campus Drive, Irvine.
Lemon Drop Dance Club
Newport Beach-based Lemon Drop Club, which hosts singles parties in Orange County geared for adults around the age of 40 and up, will have its Halloween-themed singles party from 7 to midnight at the Newport Beach Elks Lodge Ballroom, 3456 Via Oporto, Newport Beach. A free dance lesson will be offered from 7 to 8 p.m. Tickets are $10 and parking is free. No membership is required. For more information, call (949) 378-6600 or visit http://www.lemondropclub.com.
The Faculty DanceConcert, staged by the Orange Coast College Dance Department, is at 8 p.m. in the Robert B. Moore Theatre, 2701 Fairview Road, Costa Mesa. World dancer Sabuha Shahnaz will perform. Faculty members and advanced student dancers from OCC, UC Irvine, Cal State Long Beach and Chapman University also take part in the dance concert. Tickets cost $15 at the door.
'Stephen Sondheim: In Conversation'
Broadway legend Stephen Sondheim will appear for a one night event at the Renée and Henry Segerstrom Concert Hall, 615 Town Center Drive, Costa Mesa. The program begins at 8 p.m. and tickets start at $35. For more information, call (714) 556-2787 or go to http://www.scfta.org.
Muldoon's, 202 Newport Center Drive, Newport Beach, will have its annual Halloween Party. Come in your costumes, which could win you a prize. The Droppers will be playing from 9 p.m. to 1 a.m. in the Celtic Bar. Admission is free. For more information, go to http://www.muldoonspub.com, or call (949) 640-4110.
Freak Out Time
The 14th annual Trick or Treat Festival and the 12th annual Halloween Procession Show is from 9 a.m. to 4 p.m. at the Orange County Marketplace at O.C. Fair & Event Center, 88 Fair Drive, Costa Mesa. The hearse cruise from 10 to 10:30 a.m. For ticket prices and other information, call (949) 723-6660 or go to ocmarketplace.com.
Rabbi Gersh Zylberman will lead a morning coffee discussion for Jews and non-Jews about the fundamental principles of Judaism. The meeting is at 9:15 p.m. in the Marcus Library at Temple Bat Yahm, 1011 Camelback St., Newport Beach. For more information, call (949) 644-1999 or visit http://www.tby.org.
Free Flu Shots
Newport Harbor Lutheran Church and the Hoag Hospital Health Ministries Department will offer free flu vaccine shots at 10:30 a.m. at the church, 798 Dover Drive, Newport Beach. Supplies of the vaccine, for people ages 9and older, are limited.
Craig Alexander, a member of the Orange County Republican Central Committee, will give a talk about stopping the money pipeline from special interests at a meeting of the Corona del Mar Republican Assembly at Coco's Restaurant, 3446 E. Coast Hwy., CdM. A social hour is at 5 p.m., followed by dinner at 6 p.m. and Alexander's talk at 7 p.m. The event, including dinner, costs $20. To make a reservation, call Sandy Nichols at (949) 378-8944.
Kevin O'Grady and Michael Cannivet will lead a free workshop on equity investing from 10 to 11:30 a.m. at the Newport Beach Central Library's Friends Meeting Room, 1000 Avocado Ave.
Halloween Costume Contest
The University Center in Irvine, hosts a Halloween Costume Contest for children at 4:30 p.m., with registration for participants starting at 3:30 p.m. Prizes will be given in several age groups (1 and 2 years old; 3 and 4; 5 and 6; 7 through 12). For more information, call (949) 720-3131.