Main content
How does it feel to run 246km?
Dean Karnazes describes the experience of running an ultramarathon
(Photo: Dean Karnazes at the Spartathlon ultramarathon, photo credit to: Babis Giritziotis)
Duration:
This clip is from
More clips from What are the limits of human endurance?
-
![]()
How to psych up for long distance running
Duration: 01:23
More clips from CrowdScience
-
![]()
Why do bats live so long?
Duration: 02:40
-
![]()
Is my voice unique to me?
Duration: 02:41
-
![]()
Why are our memories so unreliable?
Duration: 02:11
-
![]()
Why mushrooms glow green
Duration: 02:05
