You do not get undone by Karma. You get undone by poor detour choice and keeping taxi drivers who can't understand you and keep leading you in the wrong direction.
Also it is a race, and you should use whatever objects you have to slow down other people, such as -- oh I don't know -- the completely legal and part of the race YIELD!
Also it is a race, and you should use whatever objects you have to slow down other people, such as -- oh I don't know -- the completely legal and part of the race YIELD!