Competitors who wish to compete in both one World Class event (WC sparring or Sport Poomsae) AND a Grassroot Sparring or Grassroot Poomsae event must register for the World Class event FIRST and then ADD ON GRASSROOT event.
You MAY NOT compete in both Sparring events because they may go on at the same time.
World Class Sparring + Grassroot Sparring = NO
Sport Poomsae + Grassroot Poomsae = NO
Link to add-on Grassroot event register here: https://www.tkdfest.com/grassroot-registration-add-ons-for-world-class-competitor/