Starting from age nine through her high school years, she played club soccer for Slammers FC '89 and helped the team win three Cal South State Cups, a United States Youth Soccer Association regional championship, and two U.S. club national tournaments.

[12] During her freshman season, Levin Ashton served her first career assist during a match against UNC-Greensboro after dribbling the ball up the midfield and passing to Christen Press who scored the game-winning goal.

[13][14] She scored her first goal in the 64th minute of a match against Yale off a corner kick play from Teresa Noyola and Christen Press.

[15][16] She was subsequently named the Santa Clara/Adidas Classic Tournament most valuable player (MVP) and to Soccer America's team of the week.

[11][17] During her sophomore season in 2009, Levin Ashton was in the starting lineup for the Cardinal during 5 of the 22 matches in which she played and was named an All-Pac-10 honorable mention.

Playing as an attacking midfielder during the NCAA semi-finals, she scored against Boston College in the 48th minute helping lift Stanford to the finals.

[26][27][28][29] In 2012, Levin Ashton was first pick (fourth overall) by Sky Blue FC during the 2012 WPS Draft; however, the league suspended operations before the season began.

[30][31] Levin Ashton signed with Pali Blues in the W-League for the 2012 season and helped the team reach the league's championship game, in which it lost on penalty kicks to the Ottawa Fury.

[32] In July 2012, Levin Ashton signed with Swedish side Kopparbergs/Göteborg FC in the Damallsvenskan, the top division of women's soccer in Sweden.

[33][34] She returned to the squad in April 2013 and helped Göteborg defeat 2012 Damallsvenskan champions Tyresö FF to clinch the Svenska Supercupen.

[35][36][37] On November 30, 2013, it was announced that Levin had signed for the Western Sydney Wanderers for the remainder of the 2013–14 W-League (Australia) season.

[38] She made four appearances for the club helping the team to two shutout wins against the Newcastle Jets and Perth Glory.