We kick off our world's previews with the 10k previews.
The men's race is Friday at 3:10 pm ET. Women's is Saturday at 3:10 pm ET.
Can Farahwin again or will a Kamworor finally get his coveted gold?
What about in the women's race? Dibaba has been great all year and is the queen of the event but Ayana is the WR holder.
Men's Preview:
Women's Preview: