I don't know if this has already been posted, but 😉

http://www.bikeradar.com/mtb/news/article/mountain-biker-wins-road-race-on-his-hardtail-22736

I could tell you about a bmxer winning a road race. ON a bmx as well lol.

I know a guy who did under 30 minutes in a 10 TT on a raleigh chopper.

I don't know if this has already been posted,

If you'd done a search you'd have found the other 7 times it's been posted…

I know a roadie who won a Mountain bike race on a carbon road bike with slicks because that's all he had.

I know a roadie who won a Mountain bike race on a carbon road bike with slicks because that's all he had.

I thought there was a rule to stop road or cross bikes being used in mtb events?

I know a guy who made rad freeriders eat dust on a rigid singlespeed.

Realman, that's the race that prompted that rule. While i'm at it isn't there a rule about size of wheels in TT races?