La entrevista aborda el polémico récord de Eliud Kipchoge al romper con la marca de las dos horas para un maratón. But before the sweat had even dried, there were detractors. Purists pointed to the pace team, his squad of 41 interchanging runners, noting that, as at Monza, they rendered the performance ineligible for a world record. Others questioned Kipchoge's racing shoe: a prototype of Nike's Alphafly Next%. The pair he wore in Monza was itself a variation of the Vaporfly 4%, a shoe that promised 4 percent more efficiency than the next-fastest Nike model at the time. This new, unreleased version offered benefits unknown. Talk of the shoe being banned grew rampant. Afterward, World Athletics, the sport's governing body, decreed that, going forward, in international competitions athletes would have to compete in shoes that had been available to the public for at least four months, among other regulations. Kipchoge's Nikes were legal, but that became the irony of sub-2