MOSCOW (AP) -- Mohammed Aman of Ethiopia won the men's 800-meter gold medal Tuesday at the world championships.
The 19-year-old indoor world champion surged ahead in the home stretch to beat Nick Symmonds of the United States. Aman clocked his season-best 1 minute, 43.31 seconds. Symmonds finished in 1:43.55.
Ayanleh Souleiman of Djibouti took bronze in 1:43.76.
David Rudisha, the Olympic gold medalist and defending world champion, has been out injured for most of the season.
Aman won his last half dozen races and has beaten Rudisha twice.