Michelle Frey was the top American.
Mamitu Daska won the women's division.
Mamitu Daska is the woman to beat.
Meb Keflezighi was sixth.
A total of 14 runners went sub-2:10.
She broke the tape in 15:18.5 to win by 4 seconds.
The world cross-country champion looks to defend her title in Albany.
She isn't sharing much about her training in the lead up to London.
Even with a bathroom break, the winner ran the fastest time in the world this year.
Russian locks up World Marathon Majors crown.