[1] Widely regarded as one of the world's best ultra trail runners,[2] Dauwalter became in 2023 the first person to win Western States 100, Hardrock 100 and the Ultra-Trail du Mont-Blanc in the same year.

[6] She taught for several years, following in her mother's footsteps who was also a teacher, teaching biology, chemistry, and physical sciences for middle and high-schoolers in the Denver area, before becoming a full-time professional runner in 2017.

[10][9] Dauwalter's mother Tracy also has become involved in ultrarunning, the two running Javalina Jundred 100 km race in Fountain Hills, Arizona in 2023.

She 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.

[23] Also in 2023, she won the Western States 100, besting the previous women's course record set by Ellie Greenwood in 2012, finishing in a time of 15:29:34.

[23] In September 2023, she then won the Ultra-Trail du Mont-Blanc again, making her the first person in history to win the triple of Western States, Hardrock, and UTMB in a single year.

[30] 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.

[32] In 2020, she received the George Mallory Award at the Wasatch Mountain Film Festival for pushing the boundaries of physical human achievement.