PHILADELPHIA, Pennsylvania: Ken Roczen led early in the first 450 heat at Lincoln Financial Field.Justin Cooper fastest in qualification; Hunter Lawrence paces Ken RoczenWith rain in the forecast later today, qualification takes on added significance. Dan Beaver ,Heat 1Ken Roczen took the early lead over Hunter Lawrence.Cooper Webb wasted no time getting around Lawrence for second.With a minute on the clock, Malcolm Stewart slotted into fourth with Garrett Marchbanks rounding out the top five. Marchbanks had a minor crash in qualification.