End of the map .. or into a pillar\wall ... as long as it is the standard ingame autorun, the worse thing that will happen to you is a boot & warning.

Swimming in circles via 3rd party macro tool ... that can get you banned.

[Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com]