Hard-touring Ozzfest participants Slipknot, Papa Roach, Linkin Park, Disturbed, and Mudvayne have lined up a series of performances running concurrently with Ozzfest shows this summer. The extra gigs,

Hard-touring Ozzfest participants Slipknot, Papa Roach, Linkin Park, Disturbed, and Mudvayne have lined up a series of performances running concurrently with Ozzfest shows this summer. The extra gigs, which have been dubbed the "Big Day Off," get underway June 10 in Springfield, Minn., and will be scattered throughout the Ozzfest itinerary through August.

Ozzfest kicks off with a lone U.K. date May 26 at the Milton Keynes Bowl in Milton Keynes, north of London. The North American portion of the tour begins June 8 outside of Chicago and will run through an Aug. 11-12 stand in Holmdel, N.J. Other acts confirmed to perform include Marilyn Manson, Cold, Taproot, Crazy Town, Nonpoint, and Godhead.

Here are the confirmed "Big Day Off" tour dates:
June 10: Springfield, Minn. (Price Center Park)
June 15: Moline, Ill. (Mark of the Quad Cities / Papa Roach, Slipknot, Mudvayne only)
July 1: Phoenix (Desert Sky Pavilion)
July 4: Lubbock, Texas (Canyon Amphitheater)
July 6: Nashville (AmSouth Amphitheater)
July 15: Biloxi, Miss. (Mississippi Coast Coliseum)
July 19: Virginia Beach, Va. (Verizon Wireless Amphitheater)
Aug. 9: Wantagh, N.Y. (Jones Beach)