IN THE PILOT episode of the 2016 reality docuseries Team Ingebrigtsen—Norway’s answer to Keeping Up With the Kardashians, except, of course, that no one can keep up with the family of runners—Gjert Ingebrigtsen has his teenage sons perform a set of 1,000-meter repeats in the dark of night. They pause after each to prick their fingers for blood samples.
Since the series aired, Jakob, now 23, has shot to stardom, becoming a two-time world champion, winning Olympic gold in the 1500 at the Tokyo games, and breaking the 2-mile world record in June of 2023. His older brothers, Henrik and Filip, both had successful track careers, too. The credit isn’t purely genetic—it’s also the result of an unconventional training regimen implemented by their father. (As of 2022, Gjert Ingebrigtsen no…
