Numerous times while I'm driving, I'll just see some random person pop up in front of me. It's not as if they've just fallen off either. They just appear in front of me, sometimes just while I'm about to cross the finish line? How do people do that?

maybe they used an item or something? Im not quite sure but i dont think there are any cheats in Mario Kart Wii

Most I have seen was when like everyone is 10 feet away from me when they say go, and I am in last. Most of it is lag, Nintendo can't do much in the way of dealing with cheats anyways... So no point in discussing it.

What item would allow you to do that though? They're not passing me with a mushroom. And it's not like there are any obvious shortcuts

its lag they are normally steadily passing you but with the lag it seems they are behind you then when the internet catches up they jump ahead to where they should be

hes rite it happened all day to me

ive noticed that a few people fall off but they dont come back slowly, they just continue on racing.

all this is lag

totally agree

Seen this alot too. It's lag.

Sometimes when people fall off the track, they dont have to wait for the flying shell to drop them... Is that lag, or a hack?