Ooo, we could have a leaderboard with "challenges" that use the resume from replay feature! That way, all the settings and conditions should be the same and you could just download a challenge (replay) and run it from there
We just need PTRKennyVette to update his brilliant rF1 LiveTiming plugin to rF2 I asked him about it a few months ago. I think his answer was along the lines of "maybe someday"