[2] She played soccer through her freshman year at Indiana, but knee problems, which she had already suffered from in high school, forced her to drop soccer and give up her scholarship; track was not a problem for her knees, so she joined the Indiana Hoosiers' track and field team in her sophomore year, now running the 400 meters and 800 meters, and earned a new scholarship through that sport.

[4] Later that summer, she broke two minutes for the first time, running 1:59.83 in Lignano; sponsored by the shoe company Saucony, she turned professional.

[5] In 2011, her first full year as a professional, she improved her personal best to 1:59.12 (again in Lignano) and placed seventh at the United States championships.

[3][5] She skipped the 2013 season to recover from her knee problems; she married Reed Ludlow, a former Division II collegiate basketball player, that fall.

[5] She returned to the track in 2014, placing third at the United States championships; she finished in the top six in four Diamond League meetings, breaking two minutes in both Lausanne and Monaco.