She was the Damallsvenskan's top scorer in 2013 with 23 goals scored for Tyresö FF and became the first American to earn the Golden Boot award in the history of the Swedish League.

In 2019, she co-founded a gender-neutral lifestyle brand, re-inc, with fellow athletes Megan Rapinoe, Tobin Heath, and Meghan Klingenberg.

Born in Los Angeles to Cody and Stacy Press, Christen was raised in the suburb of Palos Verdes Estates with her two sisters, Channing and Tyler.

One of her biggest highlights of the year came in the first round of the NCAA College Cup when she scored the fastest goal in team history in the 37th second of the match.

In the College Cup quarterfinal against the Portland Pilots, Press scored the lone goal of the match in the 86th minute to send the Cardinal to the Final Four.

[13] They went on to lose the final to the North Carolina Tar Heels, after Press's apparent game-tying goal in the 89th minute was ruled offside.

[53] In January 2014, the Chicago Red Stars announced that Press would be joining their roster for the 2014 season following the conclusion of her time with Tyresö in the 2013–14 Champions League.

After returning, she scored four goals in a three-game span, including a brace in the Red Stars' 2–2 draw with FC Kansas City on August 1.

[76] On June 18, Utah Royals FC announced they had acquired the rights to Press in a trade that sent Brooke Elby and six draft picks to the Chicago Red Stars.

[87][88] On September 9, 2020, Manchester United announced they had signed Press and her national team teammate Tobin Heath to one-year contracts.

[95] She signed a two-year contract with an optional third year, reportedly worth a total of $700,000, making Press one of the highest-paid players in NWSL history.

She missed the entire 2023 season and returned to training with the Angel City senior team on June 11, 2024, 2 years to the day since she originally tore her ACL.

[97][98] Press made her return to the field 781 days after her injury on August 2, 2024 in a NWSL x Liga MX Femenil Summer Cup group stage match against the San Diego Wave.

[99] The match ended in a scoreless draw, and Press converted her penalty kick in the ensuing shootout, which Angel City won.

[100] On October 12, 2024, Press came on as a second-half substitute against the North Carolina Courage and scored her first regular season goal for Angel City since she tore her ACL at the 90+7' minute, a match that ultimately ended in a draw.

[101] As a member of the United States women's national soccer team player pool, Press was named to the squad for the 2012 Summer Olympics in London, though she attended as an alternate, and did not make the final roster.

Press is only the third woman to score two goals on her first match for the United States national team following Cindy Parlow Cone in 1996 and Sherrill Kester in 2000.

[108] She earned two additional caps at the Algarve during the knockout stage match against Sweden led by former United States coach, Pia Sundhage, and started in the final against Germany.

[110] During a group stage match against Argentina at the 2014 International Tournament of Brasília, she scored four goals helping the United States win 7–0,[111] and qualify for the championship game.

[116] She played in four of the team's seven games, starting two, helping the United States progress to the 2015 FIFA Women's World Cup Final.

[131] After she was traded against her wishes to the Houston Dash, Press declined to join the team and was reportedly considering multiple offers from Swedish clubs.

"[134] After signing with Kopparbergs/Göteborg FC at the end of March, Press was called up to the next United States camp in June for a set of friendlies against China.

[139] The United States won their second consecutive CONCACAF Championship and earned a berth to the 2019 FIFA Women's World Cup in France.

Press started the semi-final match against England and scored a goal in the 10th minute, to put the USA ahead 1–0, the United States would go on to win 2–1, advancing to their third straight World Cup Final.

[158] After missing a series of friendlies against Colombia in January through illness,[159] Press was recalled to the USWNT squad in February for the 2021 SheBelieves Cup.

[167] Press announced via social media on September 9, 2021, that she, despite being called up, would not take part in the upcoming international windows, stating that she needed a few months break to focus on her mental health and spiritual growth.

[168] Ahead of two abroad friendlies vs Australia in November 2021, former USWNT head coach Vlatko Andonovski opted to leave a core group of veteran players off of his 22-player roster, which included Press.

[171] This decision sparked some confusion amongst media and fans, many of whom questioned Andonovski after Press had been logging consistent minutes for Angel City FC in the months leading up.

Press revealed in an article by The Washington Post that she had tried to speak up about Dames' behavior in 2014 to former US Soccer President Sunil Gulati, but her "concerns were dismissed."

[197] In October 2015, she was announced as a host for FOX Sports' @The Buzzer[198] and led a Chicago Cubs crowd in singing "Take Me Out to the Ballgame" along with teammates Julie Ertz and Lori Chalupny.