Engineering Manager | Trail Runner | Stockholm, Sweden

Can you keep up with Ryan Hall?

At first I was like: 4’46”? I can run that fast, granted not for 42.2 kilometres, but maybe a 10k. It just looked much faster than that when people were put on the treadmill. And then I realised, it’s 4’46” per mile.

Which is 2’57” per kilometre.