Italians Stun Even Themselves in 100 Meters and High Jump

Lamont Marcell Jacobs won the men’s 100 meters and Gianmarco Tamberi shared gold in the high jump a day after discussing how improbable it would be if they won.

TOKYO — The man in Lane 3 was a mystery to nearly everyone, including the world-class sprinters who had lined up next to him for one of the biggest races on one of the biggest stages in sports. “I really didn’t know nothing about him,” Fred Kerley of the United States said. “I thought my main competition was going to be the Americans,” Andre De Grasse of Canada said.