Gary Butson, event organizer, says the race will be held at the Du Quoin State Fairgrounds on lake No. 2, on the north side.
Admission is free.
The Hoverally, organized by Southern Illinois University Carbondale, will feature college students from SIUC's technology department and area high schools. They'll show off their custom-built hovercrafts, boats that float on a cushion of air a few inches above water.