Cool, glad to hear that it's fixed. It turns out that it lost precisely the one lap which had the UTC roll over. No problem, I created a fake lap in the CSV file which made RaceRender happy.

Hi All, perhaps someone can help me figure out what's going on. I was driving at Mazda Raceway Laguna Seca yesterday, and my best session was from 3:48 - 4:09 PM in the PST time zone (UTC - 8). 3:00 PM PST = 23:00 UTC, and 4:00 PM PST = 00:00 UTC the next day. So, during my session, the day changed ...