I'm glad you are OK.
In college, a friend and I were returning to the dorm late at night. When we got out of the car and started walking down the sidewalk towards the dorm. Right after we walked past one car, a guy got out and started walking behind us, faster than we were walking. I would hear walking steps, then running steps, then walking steps. I started walking ahead of my friend, so my talking to her caused me to look behind me to keep an eye on the guy. As soon as I did that, he quit the running steps. I told my friend we should walk faster because it was cold, but the guy was still gaining on us. I then suggested we walk across the lawn to get to the door faster, when we cut off the sidewalk, so did the guy behind us. Now I was getting scared, but didn't want to overreact. I saw a guy, way ahead of us, going into the dorm, so I yelled out, "Hold the door". This caused the guy at the dorm, to stop and stare at us. As soon as that happened, the guy behind us slowed down and he never entered the dorm. When I told my friend what had happened, she was clueless, but realized we had been in danger. I don't know what that guy was intending to do, but I am sure he was up to no good.