They don't use cue sheets at BV. You'll have a hard time getting lost though. There will be plenty of other riders on the routes, and the signs at the turns are really easy to follow. I only got lost once last year That turned a 100 mile ride into a 112 mile ride though...

If you feel more comfortable printing out the mapmyride stuff, that's fine, but you probably won't need them.

Have fun!