Riot Fest will invade May Farms in Denver, Colo., for the weekend of Sept. 21-22 for a full musical takeover. If you haven't gotten your hands on tickets, we’ve got great news for you, as Loudwire is teaming up with Diffuser.fm to give away a pair of two-day Riot Fest passes to five lucky winners.

The Denver Riot Fest and Sideshow features a stacked lineup from several genres of music with The Replacements, Iggy and the Stooges and Blink-182 leading the charge.

Rock fans can indulge in sets by Rancid, AFI, Flag, Bad Religion, The Dismemberment Plan, Alkaline Trio, Against Me! and more spread out over three stages. Check out the full lineup here to start planning your schedule.

In addition to music, Riot Fest boasts an array of fun activities from a full carnival theme including rides to even a corn maze.

Not in the Denver area? Riot Fest will also be visiting Toronto on Aug. 24-25 and Chicago on Sept. 13-15 this year. Visit their official website for all the details here.

Enter for a chance to win two-day passes to Riot Fest in Denver using the contest box above. Note that this giveaway does not include travel expenses, so if you live in the Denver area or are planning to be around Denver in mid September, this is the contest for you. Good luck! Contest ends Aug. 29, 2013. See the official rules here.