MINTURN, COLO. – University of Alaska Anchorage skier Astrid Stav finished on the podium at the DU Invite Saturday. Stav placed third in the five-kilometer freestyle in 13:58. Tuva Bygrave finished seventh (14:16), and Pascale Paradis was 11th (14:23). Other finishes for the women included Beth Granstrom 16th (14:32),…