Mary Keitany's training partner put forth a solid effort in the Czech capital.
Only Radcliffe has run faster than Keitany in London.
Mutai breaks men's course record as Keitany runs away with women's race.
According to some researchers the answer is, "Yes."
She now stands a good chance of setting a marathon record in April
Edna Kiplagat came out on top today in New York City. See how it all unfolded in this great photo gallery!
Shalane Flanagan finishes second in her marathon debut.
Big names, but no clear favorites in either race at tomorrow's ING New York City Marathon.
With no clear favorite for victory, this race looks wide open.
With 10 marathons under her belt, Britain's Mara Yamauchi will be relying on her experience this Sunday in New York.