As usual, some of you jump right into a discussion that you know little about and spout off things without even checking if they are right.
Daehlie was at his best from 1991-1999 and had an accident (on roller skis!) that ended his career in 2000.
When did you think roller skis were invented?
http://en.wikipedia.org/wiki/Roller_skiing
Roller skis have been around longer than you, me, or Bjorn Daehlie.
For those of you who keep saying he would not be a "world elite" ... who said anything about that? Nobody said he would be world class at the 10k or any other running event. The OP just asked if he had ACTUALLY broken 30:00. Looks like he never did.
10k PR? Weight? VO2max? Who cares? Daehlie is generally considered the greatest XC skier of all time.