Katie Schide


Katie Schide is an American professional trail and mountain runner living in France. Schide has won some of the most prestigious 100-mile ultramarathons in the world, including the Ultra-Trail du Mont-Blanc, the Grand Raid de la Réunion, the Western States Endurance Run, and the Hardrock Hundred Mile Endurance Run.
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Biography

Schide was born and raised in Gardiner, Maine. She grew up hiking and playing field hockey, and later worked at mountain huts in the White Mountains.
She attended Middlebury College as a geology major, and began racing trails as a master's student at the University of Utah. Schide completed her PhD in geology at ETH Zurich in 2022, where she studied landslides and erosion caused by earthquakes. Since 2019, she has lived in the small alpine village of Saint-Dalmas-le-Selvage in France. In addition to ultramarathons, Schide races skimo.

Notable race results

Schide has won or had podium finishes at many of the largest and most competitive ultramarathons in the world. In 2024, she broke the Ultra-Trail du Mont-Blanc women's course record, completing the course in 22 hours, 9 minutes and 31 seconds ― 21 minutes faster than the previous course record held by fellow American runner Courtney Dauwalter.
In 2025, she broke the Hardrock Hundred Mile Endurance Run women's counter-clockwise course record, completing the course in 25 hours, 50 minutes and 23 seconds ― 21 minutes faster than the previous course record held by fellow American runner Courtney Dauwalter. With this, Schide became the first woman to complete Hardrock in less than 26 hours.