Consider the Paris Diamond League meet in early June. Jakob Ingebrigtsen smashed the two-mile world best by more than four seconds, becoming just the second man to run back-to-back sub-four-minute miles. Then Faith Kipyegon notched her second world record in a row, outsprinting the reigning record-holder over 5,000 meters just a week after becoming the first woman under 3:50 in the 1,500 meters. Then, to cap the night, Lamecha Girma took down the steeplechase record.
It was a great night—but it was just one of many great nights that track fans have been treated to recently. A week later, at the historic Bislett Games in Oslo, eight men broke 3:30 for 1,500 meters in one race, setting a new record—including Yared Nuguse, who set a new U.S. best. Meet records fell in almost every event. At the collegiate level, an analysis by Oregon-based coach Peter Thompson shows that the number of middle- and long-distance runners hitting elite benchmark times has doubled, tripled, or in some events even quadrupled in the last two years. Earlier in June, four high-school boys broke four minutes for the mile in a single race,…