Bizzare. I was really tired - I was fasting in prep for my colonoscopy (Yea! not). I reel in this guy who is riding a carbon fiber bike, me on my mtb bike with fenders and knobbies. And by "reel in" I mean I was riding maybe 10 MPH - barely moving. I didn't want to pass him, but he was just creeping along.

So I get by him, and I hear him whistling. Not like a tune - more like he's whistling for his dog. I thought, maybe that's why he's going so slow - he's looking for his dog.

But no. As I pass him, he gets right on my wheel. Still with the bizarre whistling. So I pick up the pace a little, even though I'm not feeling great. Then HE picks up the pace.

After about a half mile of this, I thought screw it, I'm dropping this nut job. Came to a section where the trail takes a turn crossing the street, but I am able to cut the turn and fly off the curb on my mtb bike. That was the end of the whistler.