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......
The Vaporfly controversy has ignited a wider sporting debate: where should the line be drawn between advances in sports technology and equipment giving competitors an unfair advantage, be it......
Nike unleashed the Vaporfly in 2016 and various versions have quickly come to dominate the elite and "serious recreational" side of road running. From April 30, any shoe used in elite competition......
IMAGE: Ethiopia's Ababel Yeshaneh in action before finishing in the women's marathon. Photograph: Mike Segar/Reuters Ethiopia's Ababel Yeshaneh smashed the half marathon world record by 20 seconds......
Record-busting shoes loom large in marathon debate IMAGE: Brigid Kosgei of Kenya breaks the world record to win the 2019 Chicago Marathon on October 12, 2019. Photograph: Quinn Harris/Getty......