Jamie Donaldson is an American ultrarunner who owned the Badwater 135 women's race for three straight years. She won the race through Death Valley in 2008, 2009, and 2010, with winning times of 26:51:33, 27:20:18, and 26:16:12.
Donaldson first finished Badwater in 2007, then returned a year later to win. Her 2008 season also included a victory at the H.U.R.T. Hawaii 100K.
Based in Colorado, Donaldson became one of the defining figures of Badwater's modern era, pairing heat tolerance with the pacing discipline the 135-mile crossing demands.