A 19-year-old is among the favorites to win the April 14 race.
Conditions were optimal for the 37th edition of the race.
He defeated Moses Mosop who had wanted to run a world record there.
A dozen very fast East Africans join the fray.
However, at 80 years of age, Ed Whitlock set a new age-group record.
All eyes are on Vincent Kipruto.