Happened to me once.
I was with my mom and dad returning from - I don't remember what. I was driving their mini-van in the right hand lane and someone drives right up on my ass with their brights on. I expected them to take the left lane and pass since there was no traffic, but they just stayed on me. I sped up, hoping they would back off, but they just sped up too.
By the time we were at about 90mph, I knew we were in deep shit. I pulled into the left lane fast and hit the brakes. They roared past - I could see then that it was a late 60's Camaro or Firebird - no way I could outrun or outmanuever them in a Plymouth Voyager.
Once they passed me, they pulled in front of me and slowed down. I changed lanes, they changed in front of me again. IIRC I changed lanes several more times, always being blocked, until we were at about 40mph in a 65. Mom was panicking in the back seat - not sure what she was saying, but she is prone to just make weird sounds so she might not have been saying anything. I don't remember my dad's reaction - he's a quiet guy and I imagine he was psyching himself for when we were stopped (he's ex-Army, was a paratrooper, and that's all the details I knew at the time).
All I know is that I don't want to stop - that would be bad. None of us are armed, and there are at least 3 people in the Camaro. A very nice, shiny, red Camaro with a white racing stripe. In moment of inspiration (or it could have been stupidity) I figured the owner of that Camaro wouldn't want to wreck it. I hit my brights, honked my horn, and hit the gas. Floored it. I was suprised at how fast that minivan moved. The Camaro moved faster though.
So now, we are back to about 70 or 80 mph, only I am chasing them. At the last second I hit an off-ramp and it's too late for them to hit it. Camaro locks his brakes trying, but there is no way and he moves on. I took the long way home from there just to make sure, but never saw them again.
Would I do this again? HELL NO!! I was young and dumb - and lucky. I remember my dad saying something about that not being the way he would have handled the situation, but other than that neither of my parents have said a word about it since.