Mathias attended and played for Oak Mountain High School in Birmingham, Alabama. Mathias attended and played for the University of North Carolina for two seasons in 2008 and 2009 before transferring to Texas Agricultural and Mechanical University where she majored in Agriculture leadership and development.
She previously played for Football Club Kansas City. Mathias was one of the top-ranked recruits in the nation according to Soccer Buzz Magazine. She was a Parade Magazine high school All-America selection in 2007 and the 2006 and 2007 National High School Coaches Association All-America.
Texas Agricultural and Mechanical University During her first season with the Aggies, she started in 20 matches and scored nine goals - third best on the team
She was named to the All-Big 12 first team and the Big 12 All-Newcomer team She was also a two-time Big 12 Player of the week.
During her senior year, she started in all 24 matches and scored eight goals, including three game-winners. She ranked second on the team in assists with 11 and led the Big 12 Conference in all games with 93 shots on the season while ranking second in shots per game at 3.88.
She ranked third in assists at eleven and third in assists per game at 0.46.
Mathias ranked second in Top Drawer Scocer"s Big 12 Top 20 Player Rankings and was named to the All-Big 12 First Team as well as the Big 12 All-Tournament Team. Mathias ended the season ranked at number 17 nationally in total assists was number 35 for assists per game. Club = New York Fury, 2012 Following the folding of the WPS, Mathias signed on to play with the New York Fury of the WPSL Elite.
= Football Club Kansas City, 2013–2014 Prior to the start of the National Women"s Soccer League"s inaugural season, Mathias was selected 22nd overall in the 2013 NWSL Supplemental Draft by Football Club Kansas City.
During the 2013 season, Mathias started in 20 of the 23 matches in which she played. Kansas City finished the regular season in second place with a 11-6-5 record and advanced to the playoffs.
They were eliminated in the semifinals after being defeated 3–2 by Portland in overtime. Mathias started in 18 of the 22 matches in which she played.
= Seattle Reign Football Club In November 2014, Mathias was traded to Seattle Reign Football Club in exchange for Kate Deines and two 2015 draft picks.
International Mathias has extensive experience at the youth national team levels having played on the U-15, U-16, U-17, and U-23 teams. Team with Football Club Kansas City:.
