The men’s 1,500-meter final always promised to deliver drama, but perhaps not quite like this. This was supposed to be a showdown between Jakob Ingebrigtsen, the reigning Olympic champion, and Josh Kerr, the world champion. So it was a shock to everyone inside the Stade de France when a different runner entirely surged into the lead in the final straight to claim an unlikely, improbable win. Cole Hocker’s victory was arguably the biggest upset of the Games so far, a wild ending to a thrilling race for the ages. The American stretched out his arms in delight as he crossed...