Race notes:
qualifying session was stopped due to accident of car no.8
since it was stopped earlier than 10 minutes after green glag, according to the IMSA rules the grid was based on times set official practice sessions
5 full-course cautions: laps 15-18 (no.46 off course), laps 84-88 (no.007 off course), laps 93-100 (no.off course), laps 132-147 (no.27 off course), laps 250-254 (no.40 off course)
Pre-race sessions:
official test held in 3 sessions for a total of 180 minutes on 10-11/3
5 non-qualifying practice sessions held for a total of 330 minutes on 12-14/3
1 qualifying session held for a total of 25 minutes on 13/3
20 minute pre-race warm-up held