I about got had by a blue heeler last monday and while I'm not sure they're the fastest top speed wise, they are super quick accelerators when you think they're going to just stalk you from the ditch. This time I got away and got to practice my in saddle sprinting with bottle in my right hand (yes I sprayed him and it just pissed him off). Thats the second close encounter with a blue heeler I've had. The first one about got my foot and I unclipped and kicked him in the snout and he rolled taking out the boxer beside him and the lab behind. That day I was too tired to run.

Anyway what breeds have you had bad luck with.