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A comment on What will it take to run a 2-hour marathon?.

Re:What will it take to run a 2-hour marathon? by dorfsmay on Friday October 10, 2014 @09:54PM (#8440972)
> VO2 max (a measure of aerobic fitness)

Note that even though we used to be told that we could all increase our VO2 max through trainning, it turns out that only people with a specific set of genes can do so.

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Re:What will it take to run a 2-hour marathon? by irv on Monday October 13, 2014 @08:27AM (#8448409)
in the sense that there is a personal ceiling for you, yes.

but if you've never trained at elite level, then you can almost certainly improve it up to your (personal) ceiling.

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