PARIS — Cal’s Mykolas Alekna not only set an Olympic record in the discus throw Wednesday night but also eclipsed the standard established by his dad, Virgilijus, at the 2004 Summer Games in Athens.

Mykolas Alekna routinely strolls unbothered across the Berkeley campus, happily blending into the crowd of more than 45,000 students. Then he returns home to Lithuania, land of renowned discus ...