He wants to smash a seven-year-old stadium mark.
In Daegu, he became the first Kenyan to ever win a world title in the 1500m.
American Bernard Lagat won the silver medal.
He ran the second-fastest winning time despite the heat and humidity.
She hadn't been able to run for four months this year.
He hopes to heal in time for the 5000m final this Sunday.
The answer may surprise you.
The famous "blade runner" stands a good chance of medaling at the World Championships.
Arch rival Ethiopia already lags well behind in the medal count.
WMM contenders Gebremariam, Kiplagat lead respective fields in Daegu, Korea.