Distance runner explains an infamous workout that elite Kenyans do twice a week.
Dutchwoman is looking for her first win at the race.
A 19-year-old is among the favorites to win the April 14 race.
He won his fourth race last weekend.
Meb Keflezighi was sixth.
He squares off against Sammy Kitwara this weekend.
He faced difficult conditions in the early part of the race.
The 2008 and 2009 champion returns.
It was a repeat victory for Mathew Kisorio and a redemption for Kim Smith.
Ryan Hall leads the way for the Americans.