Isaksen, Achterberg into Junior World finals

Nov. 18, 2011, 12:35 a.m. (ET)

Margaux Isaksen (Fayetteville, Ark.) and Samantha Achterberg (Littleton, Colo.) have advanced through Thursday's qualification round at the Modern Pentathlon World Junior Championships in Buenos Aires, Argentina. The duo finished among the top 18 in their group to move on to Saturday's final.

Isaksen placed third in the group with 3944 points while Achterberg was 14th with 3716 points. The third American on the team, Rosalie Purvis (Montgomery City, Mo.), did not advance to the finals after placing 25th in her group with 2692 points.

Competition continues on Friday with the men's qualification round.