KAZAN, Russia (AP) — James Guy of Britain has defeated a loaded field to win the 200-meter freestyle at the world swimming championships.

The 19-year-old swimmer outsprinted China's Sun Yang to the wall, touching first in 1 minute, 45.14 seconds Tuesday night.

Sun settled for silver in 1:45.20 and world record holder Paul Biedermann of Germany earned bronze in 1:45.38.

It was Guy's first career gold medal at worlds. He earned silver in the 400 freestyle on Sunday.

American Ryan Lochte, the 2011 world champion, finished fourth. Chad Le Clos of South Africa was sixth.