We caught up with Saudi Arabia's first female athlete to have competed in the Olympics.
She's now heading to the Olympics.
There will be two hours of same-day coverage.
Paula Radcliffe is balancing her motherly duties with Olympic-caliber training.
The East African nation has won the lion's share of marathons worldwide.
At the age of 37, she finally won gold.
She hasn't raced since November, 2009.
Both the men and the women will be aided by pacers.
Knee problems continue to plague him.