Extreme Sports 2012 Calendar. This extreme sports 2012 calendar features a whole host of the most extreme sports around. Extreme, by its very nature usually involves sports featuring speed, height, danger, a high level of physical exertion, highly specialized gear, or spectacular stunts and above all an adrenaline rush. All the extreme sports featured in the 12 illustrations inside this 2012 calendar are sure to create a buzz amongst any extreme sports fanatics and will make an excellent gift for the New Year!