Complex sentence: Due to the space required as the machines are upgraded to fire the pumpkins farther and farther, the event has moved several times from where it began in Millsboro with the 2007 event being held outside Bridgeville near Coverdale, Delaware.
Split into simpler sentences: Due to the space required as the machines are upgraded to fire the pumpkins farther, the event has moved several times from where it began in Millsboro. The 2007 event being held outside Bridgeville near Coverdale, Delaware.