Rachel Salee draws her chalk work at the McHenry Riverwalk chalkwalk Sept. 21, 2025. (Claire O'Brien)The 2nd annual McHenry Riverwalk Chalkwalk is set for 10 a.m. to 4 p.m. Sunday, Aug. 30 at Miller Point Park. The free event includes the sidewalk chalk competition from 10 a.m. to 4 p.m. Cash prizes will be awarded to the winner. People look at chalk work at the McHenry Riverwalk chalkwalk Sept. 21, 2025. Crafters and vendors who want to do live art demonstrations should also visit mchenryriverwalk.org/riverwalk-chalkwalk-festival to register to participate.