OSAKA -- Japan's Mizuno is considering moving up the launch of its new running shoes to ensure they can be used in this summer's Tokyo Olympics, after new rules prompted by controversial Nike models cleared up questions about what technology is allowed.
Tokyo 2020 Olympics
Mizuno weighs early shoe launch as ultra-thick soles escape ban
Japanese company eyes Olympics berth after rules defuse Nike's Vaporfly controversy
Eliud Kipchoge, third from right, ran the world's first-ever sub-two-hour marathon in Nike Vaporfly shoes. © Reuters
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