Jesse could hear someone running behind her. There tended to only be one person that showed up when she was on a run. She was about to turn with a smile and greeting before it registered that that voice wasn't Bart. It wasn't even Wally or Barry or any other speedster she knew. Call her a bit paranoid but she got a bit antsy around speedsters she didn't know. There was way to much drama in her heroic life not to be.
But he wasn't attacking, and seemed as surprised to see her as she did him.
"Woah yourself." She said dodging a couple of women talking with strollers taking up most of the sidewalk. Well, blunt would be key here. "I normally know the people running around in my jetstream. Who are you?"