The length of stall is relative to the size and number of major fat deposits embedded within the butt. Both of mine had a major, fist-sized deposit smack dab in the middle. Not complaining here... it makes for a juicier, tastier end result and it's a lot easier to remove one blob of fat out before you pull than to have to sift through a bunch of small deposits. I'm not sure why multiple stalls occur. That was 1st for me.