Run away, which means you do not want to be run over. So best thing for you to do is to get out of the way! That is if your around the horse...
Horse have a fight or flight instinct...normally flight!
It's instinct is to run away from whatever frightened it.
A horse's first instinct if it is afraid is to run.
When a horse is frightened or afraid their first instinct is to Flee, run or get away. known as spooking.
to bite
Bolt.
To run
flight or fight and if it is afraid it is going to have a flight instinct
They run away or bolt.
Scatter in groups.
run away
Horse will Flee