She attended Columbia River High School where she was named an all-league selection four times and was awarded first-team all-state honors three times. Tarr attended the University of Missouri where she played for the Tigers from 2005 to 2008.
She previously played for SG Essen-Schönebeck in the German Bundesliga and for WPSL and West-League sides River Cities Football Club, Football Club Saint Louis and Buffalo Flash. Born in Whitefish, Montana, Tarr was raised in Vancouver, Washington. Tarr also played for the regional Olympic developmentment program (ODP) team
She finished her time at Missouri as the seventh all-time in career games played with 82 and ninth all-time in career games started with 75.
As a defender, she scored five goals and served two assists during her collegiate career. Société Générale de Surveillance Essen-Schönebeck, 2010-2012
Tarr played for SG Essen-Schönebeck in the Frauen Bundesliga, the top division league in Germany during the 2010/11 season.
She scored 3 goals as a defender during her 20 appearances for the club The team finished ninth during the regular season with a 5–5–12 record.
She returned for the 2011/12 season and started in all seven of the matches in which she played.
Société Générale de Surveillance Essen-Schönebeck finished fifth during the regular season. During the 2012/13 season, Tarr scored 1 goal in her 11 appearances for the club The club finished in sixth place during the regular season.
Portland Thorns, 2014
In April 2014, it was announced that Tarr had signed with the Portland Thorns of the National Women"s Soccer League for the 2014 season.
She made her first appearance for the club during a match against Football Club Kansas City on April 26, 2014.
