Repeating what I mentioned to CCNeverender on Twitter.

The in-game timer seems to be exactly like what real time w/o loads would be, minus the menuing, rounded to the nearest second for each mission. I strongly suggest using it as the primary time for both full-game and level leaderboards.

The other two timing methods aren't required until there's a tie, in which case real time w/o loads can be used, again for both leaderboards. Unfortunately, because of how the site is designed, we can't have all three (real time, game time, and no loads) without looking cluttered.

BTW, did you do research into making an autosplitter for this? If you need programming help, I'd be happy to join in. A Loadless/menuless(maybe) splitter would be awesome with IGT

I would if I had the time, which I rarely do to be able to actually play. I can show you how autosplitters are made sometime.