The Judge shall stop his watch when , in his opinion , the Contestant has been disqualified for any reason .
When Contestant hears the whistle , whichever comes first in either instance , the Judge will refer to Contestant 's watch for a time verification on each ride .
The Judge shall stop his watch when , in his opinion , the Contestant has been disqualified for any reason or when he hears the whistle , whichever comes first in either instance , the Judge will refer to his watch for a time verification on each ride .