ultra-runner
noun [ C ] (also ultrarunner) uk/ˈʌl.trəˌrʌn.ər/ us/ˈʌl.trəˌrʌn.ɚ/
超跑者，超级马拉松选手
a person who runs very long distances or competes in running races, such as ultramarathons, that are longer than usual races
A marathon is simply a stroll for an ultra-runner. 马拉松对于超跑者来说简直就是散步。
Perhaps the most accomplished ultrarunner ever from the United States, he completed the Barkley in 58 hours 21 minutes. 他也许是美国有史以来成就最高的超跑者，以58小时21分跑完了巴克利马拉松。
- More examples
- A few things separate the ultra-runner from the neighborhood runner. First is the mental commitment.
- Rich is a Sacramento coach, author and ultra-runner (an "ultra" is 50K or more).
- He is the 2007 and 2009 ultrarunner.net series champion and three-time winner of the Tahoe Super Triple marathon.