Scientific studies as well as anecdotal evidence suggest that Nike's Vaporfly running shoes, equipped with super-springy foam soles encasing a carbon-fibre plate, can increase running efficiency by between 4% and 6%. The shoe has also raised question at World Athletics, the sport's governing body, which looks set to review its rules for elite racing in light of technological advances while allowing recreational runners to wear what they want.
Yeshaneh crossed the finish line in one hour, four minutes and 31 seconds at the World Athletics Gold Label road race, eclipsing the previous record of 1:04:51
The sport's governing body (WA) said that with immediate effect and for elite competition only, road shoes must have soles no thicker than 40mm and not contain more than one rigid, embedded plate.
Nike launched a new running shoe that complies with limits set by World Athletics after the governing body imposed a landmark ban on a version of the sportswear giant's Vaporfly shoes that was used to run the first sub-two hour marathon. The first-ever shoe ban by World Athletics (WA) last week addressed concerns that technology advances are giving athletes an unfair and unnatural advantage, described by some critics as "technological doping".
The Adidas SL20 is quite responsive despite being almost a flat racer.
Summary of sports events and persons who made news on Saturday.
Record-busting shoes loom large in marathon debate
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