American archers, led by Justin Huish of Simi Valley and Janet Dykman of El Monte, trailed in the Olympic ranking rounds, which determine pairings for individual matches.
The women's event begins today and the men start Tuesday.
Huish had the top finish for the U.S. team with a ninth in the men's event with 670. Michele Frangilli of Italy led with 684, and the Korean men had a total of 2,031, breaking their own world mark of 2,011.
Dykman had the top U.S. women's score with 646 to place 17th. Ukraine's Lina Herasymenko shot the top individual score of 673 of a possible 720.