[2] In 2010, Barnhart helped the FC Gold Pride to the 2010 WPS title, starting 21 games and playing 1880 minutes while making 73 saves and allowing just 16 goals.

Her 2013 regular-season record of ten scoreless "clean sheet" games remained until surpassed by Adrianna Franch in the longer 2017 season.

Barnhart was crowned NWSL Champion again in 2015 as FC Kansas City defeated Seattle Reign in the final for the second straight year.

[7] Barnhart had similarly strong numbers in 2016, starting 20 games and recording 6 clean sheets, but FC Kansas City failed to qualify for the playoffs.

In 2017 Barnhart started all 24 games for FC Kansas City, and recorded 6 shutouts, however FCKC missed the playoffs for the second straight year.

[9] Barnhart made her debut for the Royals on June 2 against Sky Blue FC as starting goalkeeper Abby Smith was away on international duty.

[17] As the third U.S. goalkeeper at the 2007 FIFA Women's World Cup, she was only expected to see action in the event of injuries to Hope Solo and Briana Scurry.

[19] Barnhart was a member of the gold medal-winning USA team at 2008 Beijing Olympic, although she did not appear in a match with Hope Solo playing all six U.S.

[22] As a standby goalkeeper to Briana Scurry and Hope Solo, Barnhart did not compete in a single match in an Olympic or a FIFA World Cup tournament.

[3] In the 2011 season as a volunteer assistant coach, she helped lead her alma-mater, the Stanford Cardinal, to its first national championship in Kennesaw, Georgia.

[26] In July 2024, she was one of five active NWSL players who represented the NWSLPA at the final negotiations in Philadelphia that updated the league's collective bargaining agreement through 2030.