Marnie Mahler Codrey was a multiple-time All-America selection and regular in the Intercollegiate Tennis Association National Rankings. As a freshman in 2005, she was named the ITA Rookie of the Year and joined fellow Hall of Famer Tasi Purcell on the doubles All-America list, ranking No. 6 in the nation. The duo again earned All-America status in 2006, ranking No. 9 in the country at the end of the year. In 2007 Mahler Codrey and Purcell ranked No. 9 in the nation and were named Doubles First Team All-SSC and ITA All-America. That season she also earned a Singles First Team All-SSC recognition. Mahler Codrey enjoyed a standout senior campaign, rising to No. 7 in the nation as a singles player and joining Roshni Luthra as the No. 11 doubles team in the country. She was named First Team All-SSC in both singles and doubles and earned a second Singles All-America honor.