Yep a bear hit solidly in the vitals will not make it near to 100 yards. You will find your bear within about 50 yards if the shot took out the lungs or heart. I like the lung shot myself, bigger target!! Know your range of what you can do with the weapon you are hunting with, and wait for the perfect shot. If you have a bear that made it over 100 yards it usually means you hit them in the liver (which is deadly given the animal is given the time to expire before taking up the chase) or worse the gut. If there is any question on the placement of the hit, wait. Then when you are done waiting,,,wait some more! Let them lay overnight if you can and you will find your trophy. Remember blackies don't bleed alot, so the blood trail often goes bad at around that 100 yard mark or so, making recovery very difficult, it can be done but it takes time and a good tracker.

Wait for the shot and know your weapon!