A former BYU long-distance runner said the new American record he set over the weekend still hasn’t set in.
“Feels pretty good,” said Conner Mantz from his Provo home.
On Sunday, the 28-year-old broke the U.S. half-marathon record in Houston, crossing the finish line at 59 minutes and 17 seconds, shattering the previous record nearly two decades old by 26 seconds…