2024's Mayhem Fest returns with a one-day, fall event at Glen Helen Amphitheater, headlined by Bad Omens and featuring metalcore artists.

2024 Mayhem Fest returns after a 7-year hiatus with a one-day, fall event on October 12 at the Glen Helen Amphitheater in San Bernardino, California. Headlined by Bad Omens, the festival features a predominantly contemporary metalcore lineup, including Parkway Drive, Architects, Jinjer, Poppy, and 19 first-time performers. Previously a summer tour, the festival will now serve as a one-off event before resuming as a tour in 2025.