Katie Schide (born January 24, 1992) is an American professional trail and mountain runner living in France.

[2] She attended Middlebury College as a geology major, and began racing trails as a master's student at University of Utah.

[2] Her geology work eventually led to a doctorate from ETH Zurich.

[4] Schide has won or had podium finishes at many of the largest and most competitive ultramarathons in the world.

[5][6][7][8] 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.