run at
Barrel aggressively toward
To run at something or someone is to charge toward them, typically with aggressive intent: The dog ran at the mailman.
The phrase also describes attempting or approaching a task: Let me run at this problem from a different angle.
In computing and engineering, to run at a certain speed or level means to operate there: The processor runs at 3.5 gigahertz.
charge
Cost or accusation
confront · assault · tackle · accost · advance · challenge · engage · strike · clash · ambush
direction of movement toward/away
run atrun away
Depart hastily to escape
flee · retreat · shy away from · turn tail · take flight
aggression/confrontation vs. avoidance
run atshy away from
Avoid through timidity
avoid · evade · dodge · sidestep · steer clear of
run, at, runner, running, runs, ran, rerun, reruns, outrunning