The professor doing the study claims that they are even 2.6% faster than track spikes.
Alex Hutchinson plots the top 100 marathon times for the past decade and concludes that the recent improvements in times in 2016-2018 "aren’t noticeably bigger than the fluctuations in annual performance in previous years." Also, if it was really just the shoes, there should be a bunch of 2:04 guys running 2:01-2:02 like Eliud Kipchoge.
He claims they even know which athletes are jittery after consuming caffeine due to genetics.
Bedford: “Bob became a second father and his wife Sylvia a second mother. In truth, they had more influence on my development and life than my parents...When I started being coached by him I was the 73rd best junior in the English Schools Cross Country Championships and, nine years later, I broke the world record for 10,000m.”
Broe is also doing a great job with Saucony Freedom Track Club. “The school is a pressure-cooker. I have kids who are crying because they didn’t get into Harvard."
Hutchinson summarizes "seven key messages" around running science and training that can help you become a better runner. *MB: Alex Hutchinson is leaving Runner's World, last column released today
Is Bolt the fastest ever because of or in spite of an uneven stride that has his right leg strike the track with about 13 percent more peak force than his left, and his left remain on the ground about 14% longer than his right? Usually an uneven strides slows a runner down, but apparently not for Bolt.