Sorry, I don't know the right session, and I don't know if there is something to do about, but follows the id from a player that was wrecking all the race.

http://steamcommunity.com/profiles/76561198067375385/

The mainly issue is that it demonstrated to be using some kind of hack because his car moved too fast, much more than others and he used this atribute to hit all the cars.

I have no replay, sorry.

I've reported him to Steam.