The University of Colorado's men's Ultimate team, Mamabird, advanced to the semifinals this morning in a 12-7 quarterfinals victory over University of Pittsburgh during in the USA Ultimate College Championships, which are being held this weekend in Boulder. CU faces Wisconsin this evening in the semifinals; Mamabird is 2-0 against Wisconsin this season. If they win, they will advance to the finals tomorrow at Pleasant View Fields. Follow CU at cuclubsports.blogspot.com.