Courtney Dauwalter

In 2019, Dauwalter won the Ultra-Trail du Mont-Blanc in a time of 24 h 34 min 26 sec, coming in 21st overall. She also competed in the 2019 edition of Western States, but dropped after 77 miles. Dauwalter competed for the United States at the IAU 24 Hour World Championship in Brive-la-Gaillarde, France in October 2019, finishing 12th.

In 2018, Dauwalter won the Western States Endurance Run, a 100-mile race, with a finishing time of 17h27m. This was the second-fastest time by a woman in the race. Dauwalter competed in the Big's Backyard Ultra in 2018, finishing second overall and completing a total of 67 laps, setting the women's course record at 279.268 miles.

Dauwalter was named Ultra Runner of the Year in 2018 by Ultrarunning Magazine after winning 9 of the 12 races that she entered, including two where she finished first overall.

Dauwalter worked as a middle and high-school teacher in the Denver area before becoming a full-time professional runner in 2017. She lives in Golden, Colorado with her husband.

Dauwalter won the 2017 edition of the Moab 240 race in 2 days, 9 hours, and 59 minutes, finishing first overall and beating the second-place finisher by more than 10 hours.

In 2016, Dauwalter set a course record at the Javelina Jundred 100K and won the Run Rabbit Run 100-mile race, finishing 75 minutes ahead of second place. She also won the 2017 Run Rabbit Run while battling temporary blindness when running the final 12 miles.

Dauwalter was raised in Hopkins, Minnesota and competed in track, cross-country, and nordic skiing in high school. She was a four-time Minnesota state champion in nordic skiing during her high school career. She attended the University of Denver on a cross-country skiing scholarship, and then earned a master's degree in teaching from the University of Mississippi in 2010 while participating in the Mississippi Teacher Corps.

Courtney Dauwalter (born 13 February 1985) is an American ultramarathon runner.