Complex sentence: Biffle maintained a quarter to half a second gap over the second-place car for a large portion of the run until Joey Logano drove under him in turn 2 to take the lead on lap 33.
Split into simpler sentences: Biffle maintained a quarter to half a second gap over the second-place car for a large portion of the run. Until Joey Logano drove under him in turn 2 to take the lead on lap 33.