Save This Event For Later TallgrassTour Ponca City, OK, Sat Sep 29, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 420 E Grand Ave, Ponca City, OK 74601 Presented by Tallgrass Tour benefiting Marland Children's Home This is a past event. If you wish to see the details for this event click, "Continue" below. If you are looking for a current event, please search the event calendar .