The City of Pella expects to see some of the economic boost from Knoxville’s Nationals over the next few weeks. The city is preparing for big crowds of visitors during Nationals. Director of the Pella Chamber Karen Eischen says that many businesses will be holding specials throughout the week. The Chamber has distributed checkered race pennant flags for member businesses to display throughout the event. She adds that many hotels are near or at capacity during the dates of races.