Born and raised in Missouri, Mautz attended Fort Zumwalt West High School in O'Fallon, Missouri where she was named All-State, All-Metro and All-Conference all four years. She netted 133 goals during her high school career, the fifth-most in Missouri girls' soccer history. As a junior, she was named National Soccer Coaches Association of America All-Region. Mautz was named Metro Player of the Year in 2006 and 2007 and earned State Player of the Year honors as a senior. During her senior season, she helped the team to the state championship in senior season. Mautz played club soccer for the St. Louis Soccer Club and led the team to 10 straight state titles. She also played on state and regional Olympic Development Program teams.
College
Mautz attended Saint Louis University for the 2007 season before transferring to Texas A&M University in January 2008. In 2008, her first season at Texas A&M, she made 19 appearances with 9 starts and was named Big 12 Newcomer of the Week for the week of November 3. Mautz scored five goals and three assists for 13 points. She recorded a career-high eight points vs. Houston Baptist with a hat-trick, scoring the game winner, and serving two assists. She netted four goals and tallied 10 points in her last two games of the season. As a junior, she started in 20 matches and saw playing time in all 25 of A&M's matches. After ranking second on the team with 66 shots and 27 shots on goal, she scored four goals, three of which came in Big 12 matches, and two assists for 10 points. She was named to the All-Big 12 Conference second team. During her senior season, she was one of only two Aggies to start in all 23 matches and led the offense with 29 points on a team-high and career-high 12 goals and five assists. Mautz was named NSCAA National Player of the Week, Big 12 Player of the Week, and was selected to the TopDrawerSoccer.com Team of the Week, the All-Big 12 first team and the Big 12 All-Tournament team. She recorded her second career hat trick vs. No. 16 Virginia Tech and had a team-high of five game-winning goals.
Playing career
Club
Sky Blue FC
Mautz played in five matches for Sky Blue FC of Women's Professional Soccer during the 2010 season. She made two starts and scored once.
In September 2013, Mautz was loaned for 2.5 months to Russian Women's Football Championship club Zorky.
Perth Glory
On October 5, 2016, Mautz joined Australian club Perth Glory as an international player. Mautz went on to make 14 appearances during the 2016-2017 season for the Glory. After an NWSL offseason load to Adelaide during the 2017-2018 season, she resigned a loan agreement for the 2018-2019 season with the Perth Glory.
On October 27, 2017, Mautz moved from Perth Glory to join Australian club Adelaide United as an international player. Mautz will join fellow Chicagao Red Stars teammates Danielle Colaprico and Katie Naughton for the 2017–18 W-League season.
