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- Jul 8, 2013
Breaking two must be impossible.
it has to be setup like the attempt in Italy last year. 25 seconds away was pretty damn amazing though. probably decades away from that happening in a actual race. As for the vaporfly do u heel strike when u run? the shoes are supposed to make your running economy 4% more efficient. I could feel the energy return(the bounce like feeling) the first couple meters i ran in the shoe.