Nov 5: New York Marathon Adidas and Nike running the show World Athletics maintain seismic shifts in “super shoe” technology correlate with specifications updated only last year, as rivals Adidas and Nike battle to create the ultimate running accessory SUPER SHOE ANATOMY Adizero Adios Pro Evo 1s Available to public Stack height Foam heel limited to 40mm. Potential to increase stride length, contributing to faster running pace Carbon-fibre plate Reduces flex and energy loss – promotes optimum rocking motion, triggering forward momentum Nike Alphafly 3s Ratified for developmental use – available to public January 2024 Responsive midsole foam Material called Pebax makes shoe lighter and provides greater energy return Outsole Made as light as possible. Research suggests saving 100 grams of weight can equate to 1% energy return Kelvin Kiptum (KEN) Broke World Record in Chicago – wearing prototype of Nike’s Alphafly 3s – while former women’s World Record holder Brigid Kosgei (KEN, inset) is set to race in New York Sources: Adidas, Nike, Olympics.com Pictures: Adidas, Nike, Getty Images © GRAPHIC NEWS