We get it. And the judge is so close!
Reopen the Competition by extending the end time
Navigate to the Event Dashboard. Add 30 minutes (or however much time) to the Judging End Time. Click Update Event to save.
Add the scores yourself as the organizer
Navigate to the Judges tab. Find the Judge's name in the list (you can use the Search function). Click "Share Ballot" and then click "View Ballot in new tab." Enter the Judge's scores yourself.