Creepy Bear Starin' At Me

So I came across a bear yesterday while trail running. I was coming back by a fire road, and saw a bear running away from the road. Usually they hightail it away and keep bookin' 'til they're gone. This one ran off...oh...I'm bad at estimating distance...but it coulda been close to 100 yards. It wasn't close. And then it just stood there watching me. WTF? I had one bear in the same area do that once before--in fact, given the sizes of the two--or "two"--bears, this could have been the same one. One bear glimpsed twice, rather than glimpses of two different bears. I whistled...didn't flinch. I thought OK ya creepy m*therf*cker… and just kept going. NBD. But, weirdly, that bear watching me from afar was creepier than the bear that stood up on its hind legs at me last year.