A gym event is a gathering of people for physical activity, usually in a gymnasium. The four crossword solutions for the term 'gym event' are PROM, MEET, HOP, and DANCE. A PROM is a formal DANCE held by a school or college at the end of the academic year. A MEET is an organized competition between two or more teams or individuals. A HOP is a social gathering where people DANCE to popular music. Finally, a DANCE is a series of movements performed to music.