Being the only two DiRT players online in the entire world, it was easy enough to find the game. Apparently DiRT supports up to 100 players per race, but for this race two would have to do. The game doesn't make room for so many players by having tracks that are three kilometres wide; instead DiRT has a rather unique way of handling online racing.
While DiRT has several different racing categories in the single player game, online racing is only supported in standard rally and hill climb modes. If you've ever watched rally in real life, you'll realise that the tracks are roughly the width of a shopping trolley, so how does it accommodate multiple racers? The answer is simple.