American Desiree Davila took eleventh.
The Ethiopian needs a win at the NYRR Mini 10K.
There will be eight 2012 Olympians taking part in the race next month.
Last year's third-place finisher leads a Kenyan sweep at this year's race.
Deep international fields highlight the 116th running of the world's oldest annual marathon.
Winners can now take home €40,000.
Defending champions will face strong competition on April 16.
A strong Ethiopian contingent is running Italy's second-largest marathon.
Ethiopia captured the men's and women's titles.