0 a person who runs very long distances or competes in running races, such as ultramarathons, that are longer than usual races: --
He is the 2007 and 2009 ultrarunner.net series champion and three-time winner of the Tahoe Super Triple marathon.
Rich is a Sacramento coach, author and ultra-runner (an "ultra" is 50K or more).
A few things separate the ultra-runner from the neighborhood runner. First is the mental commitment.