The fourth annual Rockstar Energy Drink Mayhem Festival, which kicks off July 9, officially announced its 2011 lineup.  Check out all the details after the jump!“Metal is ALIVE and WELL in 2011,” proclaims tour producer, John Reese. “Each year the tour gets bigger and better and 2011 is no exception.  This group of artists this year are going to apply a big, bad, metal shellacking for the fans across the USA and Canada.”

The festival kicks off July 9, with tickets on pre-sale tomorrow, April 8.

This summer’s main stage artists include returning bands Disturbed, Godsmack, and Megadeth, who will also be joined by first-time headliners, In Flames, Machine Head, and Trivium.

Other bands performing at the fest include Suicide Silence, Unearth, Kingdom of Sorrow, Red Fang, All Shall Perish, Straight Line Stitch, and winners of Jägermeister Battle Of The Bands.

Check out the full tour lineup below.

7/9 – San Manuel Amphitheater – San Bernardino, CA (Los Angeles, CA)
7/10 – Shoreline Amphitheatre – Mountain View, CA (San Francisco, CA)
7/12 – White River Amphitheatre – Auburn, WA (Seattle, WA)
7/13 – Idaho Center Amphitheater – Nampa, ID (Boise, ID)
7/15 – Desert Sky Pavilion – Phoenix, AZ
7/16 – Hard Rock Casino Albuquerque Presents The Pavilion – Albuquerque, NM
7/17 – Comfort Dental Amphitheater – Englewood, CO (Denver, CO)
7/19 – Verizon Wireless Amphitheater – Maryland Heights, MO (St. Louis, MO)
7/20 – Riverbend Music Center – Cincinnati, OH
7/22 – Comcast Center – Mansfield, MA (Boston, MA)
7/23 – Parc Jean-Drapeau – (Heavy MTL) – Montreal, QC /www.heavymtl.com
7/24 – Comcast Theater – Hartford, CT
7/27 – PNC Bank Arts Center – Holmdel, NJ
7/29 – First Niagara Pavilion – Burgettstown, PA (Pittsburgh, PA)
7/30 – Jiffy Lube Live – Bristow, VA (Washington DC)
7/31 – Susquehanna Bank Center – Camden, NJ
8/2 – Virginia Beach Amphitheater – Virginia Beach, VA
8/3 – Time Warner Cable Music Pavilion at Walnut Creek – Raleigh, NC
8/5 – First Midwest Bank Amphitheatre – Tinley Park, IL (Chicago IL)
8/6 – DTE Energy Music Theatre – Clarkston, MI (Detroit, MI)
8/7 – Verizon Wireless Music Center – Noblesville, IN (Indianapolis, IN)
8/9 – Zoo Amphitheatre – Oklahoma City, OK
8/10 – Gexa Energy Pavilion – Dallas, TX
8/12 – Aaron’s Amphitheatre at Lakewood – Atlanta, GA
8/13 – 1-800-ASK-GARY Amphitheatre – Tampa, FL
8/14 – Cruzan Amphitheatre – West Palm Beach, FL

For further details, visit the festival’s website.