These Olympics marathoners are amazing. I don't see how they maintain such a pace. The winner...

[duckcock2.0.0]

...of the women's marathon ran it in 2:27 and a few seconds. That is just over 5 1/2 minutes per mile. I don't know how a human body can do such a thing. I get tired just driving 26.2 miles.

 

[ToddFlanders]

It’s simply stunning. I huff and puff to get under 7 - and that’s for three miles tops. And I’m dead at the end. I can’t even imagine the shape they’re in.

 

[Neanderthal]

The 1500 was a great race, too. It’s just about all-out now for the entire race. Why do the Kenyans and Ethiopians perform so well in the distances?

 

[Carolina Doc]

The 1500 was a great race, too. It’s just about all-out now for the entire race. Why do the Kenyans and Ethiopians perform so well in the distances?

Their cellular metabolism is optimally suited for endurance……….genetic