Official: OVERALL

Live - Rank changes depending on who is leading the event while you are watching.

During race

Ride time - this is the current course riding time of the competitor.
Timebar penalty - As a competitor reaches a checkpoint the penalties for NOT reaching that checkpoint are removed.
If a competitor reaches all checkpoints the timebar time shown becomes [blank] OR time penalties remain for any checkpoints not reached.

Day4 - this is the day 4 ride times, plus any given day 4 timebar, manual penalties, GPS off track penalties.
(NOTE:- during the race includes time penalties for checkpoints not yet reached)

After race

Total time - OVERALL time for the event (TTQ, day 1, day 2, day 3, day 4), 
Difference  +0s (zero seconds) is the fastest competitor. Example= +2m30s this means the Differential time is +2 minutes 30 seconds slower than the fastest competitor.