Complex sentence: When it got underway at 7:02 p.m. EST, polesitter Carl Edwards was immediately passed by Biffle before the first turn, and held it until he was passed by David Ragan on lap eleven.
Split into simpler sentences: When it got underway at 7:02 p.m. EST, Carl Edwards in pole position was immediately passed by Biffle before the first turn. Biffle maintained this position until he was passed by David Ragan on lap eleven.