Rain halted NASCAR's 1000Bulbs.com 500 at Talladega Superspeedway after the first stage on Sunday.
William Bryon was leading when the race was stopped with 57 of the scheduled 188 laps completed.
The race will now be completed in Alabama on Monday.
NASCAR red-flagged the race with Byron leading. Byron, who entered the play-off race eighth in the standings, won the first stage.
Dryers were brought out in an attempt to dry the track, but more rain was forecast, forcing the decision to postpone the event's finish.