Complex sentence: It first started in Selsey, then moved to Bognor Regis, in 2008 and 2009 it relocated to Worthing Pier which now runs its own Birdman event.
Split into simpler sentences: It first started in Selsey, then moved to Bognor Regis. In 2008 and 2009 it relocated to Worthing Pier which now runs its own Birdman event.