In 2006 Iersel travelled to Marseille to play in a FIVB World Tour event for the first time, and finished 41st. At the European Championship Tour event in Valencia she finished in 21st position.
Iersel's participation in the FIVB World Tour and European Championship Tour events in 2006 is highlighted. Her performance at each event is described: Marseille (41st) and Valencia (21st).