Who was the first man to run 1500 meters in under 3.30?

The first man to run 1500 meters in under 3:30 was Finnish athlete Juha Väätäinen. He achieved this milestone on July 16, 1973, when he recorded a time of 3:29.4 in Oslo, Norway. This remarkable performance established a new standard in middle-distance running. Väätäinen's achievement paved the way for future athletes in the event.