Conner Mantz Is Racing His First Marathon Since Breaking the 23-Year-Old American Marathon Record. This Sunday, He’ll Take on the Streets of New York.
It’s a frigid Friday night in February in small-town Utah, and Conner Mantz and his wife, Kylie, are doing what they do pretty much every night: padding around in sweats, making pasta, talking. Usually about running. Lately, also about pregnancy, as…