2013 Senior Season: Raced in five meets finished second on the team at three meets ran a career-best 21:42 at the open race of the Wisconsin adidas Invitational as Minnesota's second runner in 10th overall finished second on the team (third overall) at Jack's Run in22:21.8 took second on the team (seventh overall) at Rocky's Run in23:29 posted a time of 22:37.34 as the third Gopher in14th overall at the Blugold Invitational clocked in at 23:12.7 at the Griak Invitational.
2012 Junior Season: Finished third at the Blugold Invitational with a season-best time of 21:47.92 won Jack's Run (22:30.01) top female finisher at Rocky's Run (22:44) competed in six races overall Big Ten Distinguished Scholar and Academic All-Big Ten honoree.
2011 Sophomore Season: Ran in seven meets competed at the NCAA Championships, racing 22:18 placed sixth among her Gopher teammates at the NCAA Midwest Regional in 22:30.67 clocked a time of 21:51 at the Big Ten Championships as the team's seventh-best runner raced her season-best time at the Wisconsin adidas Invite in 21:42 ran 17:55.8 to finish tenth overall and seventh on the team at the SDSU Invite raced the Roy Griak Invitational in 22:39.90 finished the Oz Memorial in 22:58.78, placing ninth among the Gophers and ninth overall received the team's Tough as Nails Award Academic All-Big Ten selection.
2010 Redshirt Freshman Season: Posted her season-best time of 22:28.1 at the Pre-NCAA race ran in six meets received the team's Comeback of the Year Award Academic All-Big Ten letterwinner.
2009 Freshman Season: Redshirted the season.
High School: A 2009 graduate of Eden Prairie High School high school coach was Jeff Lindlief the 2008 Minnesota Class AA state cross country champion, individual and team runners-up in 2007 placed 10th in 2007 Nike Outdoor Nationals three-time state track champion won 2009 crown in 1600m (4:59.53) and earned titles in 3200 meters in 2008 and as a member of the 4x800-meter relay in 2007 eight-time all-state honoree, three times in both cross country and track and twice in Nordic skiing high school teammate of Megan Smith.
Personal: Born February 6, 1991 given name is Cassandra majored in public health, family social science and communications going to graduate school for health and wellness - human resources daughter of Kevin and Ann Opitz has an older brother, Tyler.