Trick or Treat Trail. H-F Park District will host the annual trick or treat event from 11 a.m. to 2 p.m. at Millennium Park, 18600 Harwood Ave. in Homewood. Registration is free for park district residents, $2 for non-residents. Morning spots are full. There are still spots available from 1:15 to 1:45 p.m.
Bark-Or-Treat. Downtown Flossmoor businesses will be hosting a spooky day for pets. Check in for the pet costume contest at 3 p.m. on the Flossmoor Station Restaurant & Brewery caboose deck, 1035 Sterling Ave. At 4 p.m. pets and their humans will participate in a trick-or-treat parade through downtown Flossmoor. At 4:15 p.m., DJ Phil Lee will preside over the costume contest at Flossmoor Station. There will be treats, prizes and music. Register here.
Family Spooky Skate. H-F Park District will host a spooky skate session from 5 to 6:30 p.m. at the H-F Ice Arena, 777 Kedzie Ave. in Flossmoor. Admission is $7, skate rental is $5. Half-price admission for those in costume. Best costume wins a prize.
Beethoven Symphony No. 5 and Violin Concerto. The Illinois Philharmonic Orchestra’s season opening concert will feature two Beethoven works. The concert will be at Ozinga Chapel at Trinity Christian College, 6601 West College Drive in Palos Heights. VanderCook College of Music String Ensemble, led by Yvonne Davila-Cortez, will perform in the Grand Lobby from 4:45 pm to 5:15 pm. IPO will perform at 5:30 p.m. Purchase tickets here.
STEM Saturday. Science play and learning from 10 a.m. to 1 p.m. at Homewood Science Center, 18022 Dixie Highway.
Barb & Dan’s Road Ride. Riders of all experience levels can join the group which leaves at 8 a.m. from GoodSpeed Cycles, 2125 183rd St. in Homewood. There is a no-drop group that rides about 20 miles and stronger riders sometimes go farther. Helmets required, daytime lights strongly recommended.
Off-leash Ride. A leisurely just-riding-around nine-mile ride every Saturday. Route includes Butterfield Creek bike path, Rovers Run and Izaak Walton Preserve. Starts at GoodSpeed Cycles, 2125 183rd St., at 8:30 a.m. sharp, ends back at the shop 9:45ish for donuts.
