Chances are that a team running against no one, runs slower than the top teams in the real race. The exception would be if there were heavy rain or mud slowing down the real race.
Anyways, they won't make it - their top guy has broken 19 once. They have scorers running over 20 minutes.
Its got to suck to be a runner as an Adventist. Most the major invites are on saturdays. In college, it would be practically impossible - nearly all the meets are on saturdays. A coach isn't going to grant an exception to someone to miss the conference meet. There are probably a couple adventist colleges with teams though.