Keitany, 35, has won the New York Marathon each of the last three years, including a dominating performance last year as she dropped off her rivals midway to finish the course on a solo run in 2:24:26 hours, reports Xinhua news agency.
Her 3:34 margin of victory was the greatest in the women's race since 1980, and she became the first able-bodied runner since Grete Waitz to win the event three years in a row.
"I like running fast and now I feel am at my optimum best," she said Wednesday in Iten. "But when you prepare for such competition, you have always to be aware that anything can happen and hurdles and challenges is what make marathon running fun."
Keitany is a two-time winner of the World Marathon Majors, taking the series titles in 2012 and 2016. This year, she won her third London Marathon in April, breaking the women's only marathon record in a blistering time of 2:17:01.
However, she has ruled out attempting to break the record, saying it only falls into place if all conditions are intact.
"For such a race, you don't plan to run a world record time, but run as fast as you can. Then see where it leads you to," she said.
In the build-up to the New York Marathon, Keitany's husband Charles Koech has hinted she is in similar shape to when she ran 2:17:01 in the London Marathon in April.
Keitany will arrive in New York on Octtober 30 ahead of race day on November 5. Joining Keitany are two other women who have broken the 2:20 barrier.
They are led by Edna Kiplagat of Kenya, who won the 2017 Boston Marathon and was placed second at the World Championships marathon in London and has a 2:19:50 best that dates to the 2012 London Marathon.
There is also Mare Dibaba of Ethiopia who ran 2:19:52 at the 2012 Dubai Marathon. Dibaba won bronze at the 2016 Olympic marathon and finished eighth in August at the World Championships marathon.
Another novice who can spoil the party is Betsy Saina of Kenya who will take a second try at the marathon distance after not finishing the 2017 Tokyo Marathon in February.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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