Ledecky dips under 4 minutes to win 400 free in California

<p>MISSION VIEJO, Calif. &mdash; Katie Ledecky won the 400-meter freestyle Saturday at the TYR Pro Swim Series with the world’s fastest time this year.</p>
<p>She touched in 3 minutes, 59.25 seconds in the outdoor pool. The defending Olympic champion is the only swimmer to go under 4 minutes this year.</p>
<p>Leah Smith finished second in 4:06.37.</p>
<p>Ledecky added the 400 free title to the 200 free she won a day earlier, also with the fastest time in the world this year.</p>
<p>Brazil’s Bruno Fratus edged Caeleb Dressel to win the 50 free. Fratus touched in 21.80 seconds, with Dressel finishing in 21.83.</p>