My dad taught me one major thing when dealing with bears, don't and if you have to or are hunting them, kill them don't fuck around with arrows and shit that can end with you dead. That advice was given based on a male bear, female bears will generally run if they are alone, if they have cubs you leave them the fuck alone or you kill them if they charge you. Shooting them with a .22 or birdshot will just piss them off, as seen here. This fucking guy is lucky to be alive. If he was fucking around in the bush without a house to run inside of he would have been lunch.
A good explanation (of his old record, but obviously applies to this)
However, one of the coolest speed run world record beats was Jobst's Dam 52 in goldeneye which beat the 130 people or so that had :53, and a world record that lasted for over a decade and pretty much everyone thought was impossible.