[
www.grandprixgames.org]
mainly it's this thread :-p
An alternative is here: [
www.grandprixgames.org]
It's a manager series founded by multiple persons, they're doing a series with editing performances and the AI racing the whole time.
The mods are afaik private, only those, who run a race, may get one (could be wrong though).
If you mean a totally different one, i don't know xD