Kenyans Geoffrey Kipsang and Rita Jeptoo won the men’s and women’s races in Colombia.
A 19-year-old is among the favorites to win the April 14 race.
The top-5 men all broke 60 minutes.
The race takes place tomorrow in Nairobi.
They are choosing instead to win money on the roads.
Sweltering conditions made the race a tactical affair.
The men's race wasn't decided until the final 100 meters.
The race celebrated its 20th anniversary.