The St. Norbert womens basketball team maintained their lead in the Midwest Conference race while the men rallied late to make it a Saturday sweep of Grinnell College at the Schuldes Sports Center. Krista Pekly scored 14 points in leading the women to a 51-35 victory.   SNC improves to 16-4 overall and 14-1 in conference play.   The men fnished the game on a 15-5 run to nip the high scoring Pioneers 97-96.  Brandon Gries fueled the comeback with a game tying three with :25 to play and finished it off with a free throw with 1.8 seconds remaining.  St. Norbert improved to 10-5 in the conference and 13-7 overall.