In 2005, as a freshman, Rapinoe helped the Pilots to an undefeated season and the NCAA Division I Women's Soccer Championship. During the College Cup quarterfinal against Notre Dame, she scored twice and served one assist, helping the Pilots win 3–1 and advance in the College Cup. During the College Cup final against UCLA, she scored one goal and served an assist helping the Pilots win 4–0. She was named NSCAA First Team All-American and was on the Soccer America First Team Freshman All-America. Rapinoe made the NCAA Women's Soccer Championship All Tournament Team and was the West Coast Conference Freshman of the Year. She was also named to the All-West Coast Conference First Team and the All-West Coast Conference Freshman Team. Rapinoe played and started all 25 games as an attacking midfielder, scoring 15 goals and adding 13 assists for 43 points – ranking fifth for freshman point totals in the school's history. That year, she also scored seven game-winning goals.