Ndereba hit the front at the 36km mark and surged clear over the last two kilometres to clock two hours 30 minutes 37 seconds in Osaka .
Ndereba also won gold in 2003 and took silver in 2005 .
Ndereba , who also won gold in 2003 and took silver in 2005 , hit the front at the 36km mark and surged clear over the last two kilometres to clock two hours 30 minutes 37 seconds in Osaka .