ultrarunner

plural ultrarunners

1. A runner in an ultramarathon.

   1 more example

   And last summer, the veteran ultrarunner Kim McCoy lost her leg when she was struck by a car while crossing a highway 70 miles from the finish line of a 340-mile race across the American South. […] “I’m going to make sure I am prepared now, and I don’t think I am unique among ultrarunners in thinking that,” Karnazes said.

   2021 May 25, Matthew Futterman, “‘I Am So Freaked Out. I Can’t Even Get My Mind Around It.’”, in The New York Times, →ISSN, archived from the original on 03 Jun 2021