Bessie Coleman Centennial Aviation Film Festival. The aviation-themed film festival will be held from 8 a.m. to 4 p.m. at Bult Field, 28261 S. Kedzie Ave., Monee. The event is sponsored by the Chicago Southland Chamber of Commerce. For more information, click here.

Barb & Dan’s Road Ride. A 25-mile fitness bike ride. Everyone stays together. Leaves GoodSpeed Cycles, 2125 W. 183rd St., every Saturday (weather permitting) at 8 a.m. Returns before 10 a.m. Pace dictated by the riders that show up. Explore our local streets and trail system with Barb & Dan Lawler.

Off-Leash Ride. A nine-mile bike ride at about a 9-10 mph pace every Saturday. Route includes Butterfield Creek bike path, Rovers Run and Izaak Walton Preserve. Starts at 8:30 a.m. from GoodSpeed Cycles, 2125 W. 183rd St. in Homewood. Ends back at the shop about 9:30 a.m. for donuts. Kid trailers welcome.

May Day Rally. Action for a Better Tomorrow will host a pro-democracy rally from 1 to 3 p.m. at the Homewood Veterans Memorial at Harwood Avenue and Olive Road.