Aftershock 2026: Over 140 Bands and Record Crowds Headlined by Tool

More than 160,000 fans are expected to gather in Sacramento for the record-setting Aftershock 2026 festival. Organizers state this is the West Coast's biggest punk, rock, and metal event featuring over 140 bands across five stages. Headliners include My Chemical Romance, Limp Bizkit, Pierce the Veil, and TOOL. For the first time, camping will be available at Cal Expo with shuttle service connecting to Discovery Park. The four-day event is projected to generate $39 million for the local economy while welcoming attendees from all 50 states and over 30 countries.