“To create something that’s never been done before, you have to be willing to take risks.” For any runner, risking it all for an American marathon record would be crazy. For Conner Mantz, it’s just another day at the office. After two years and countless miles wear-testing five different prototypes of the Vomero Premium, this is the secret story behind how Conner got back to his old self, but better. (Hint: It’s in the shoes.) Go inside Conner’s testing and training journey before he goes full send at the 2025 Bank of America Chicago Marathon. https://www.instagram.com/connermantz/ https://www.instagram.com/nike/ https://www.instagram.com/nikerunning/

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