... this question kinda dumb.
i've not seen a case where a rapist from afar, shout out "oei,
girl, i want to rape you!" then giving chase.
usually they surprise their victim, and overpower them wat.
and even so, the girl might not run fast, or enough stamina to
outrun the rapist. and being fearful and under stress, their legs
become weak, how to run fast enough? 
