All the action as Paula Radcliffe wins her first race since her failure to finish the marathon and 10,000m at the Athens Olympics.
(All times GMT)
1659: After over 26 miles, it is going to come down to a sprint finish - and with just a few hundred metres to go, Radcliffe makes a decisive move and it is enough to clinch victory. The pair embrace as they cross the line, both absolutely spent.
1657: After several thwarted attacks from Chepkemei, Radcliffe pushes on. But the Kenyan hangs on.
1655: The leading pair's pace has dropped and the course record looks safe as the pair come into the final mile.
1651: The crowd in Central Park are cheering loudly as Radcliffe and Chepkemei approach the final mile with nothing between them.
1647: The leading pair enter Central Park and with just two miles left, there is still nothing between them. Radcliffe is wobbling all over the road but is refusing to let Chepkemei throw her off.
1642: The pace has dropped as both athletes look physically spent.
1638: Chepkemei and Radcliffe have now gone through 22 miles and still they are locked together.
1635: The leading pair are now heading down Fifth Avenue. Chepkemei is putting in little bursts of speed to try to throw off Radcliffe. So far the Briton is hanging on but she is having to work hard to stay with the Kenyan.
1632: Kiplagat, third in last year's New York Marathon, looks as if she is not going to improve on that performance as she drops off the pace set by Chepkemei and Radcliffe.
1630: Chepkemei is pushing the pace along and she and Radcliffe have opened up a five-metre gap over Kiplagat.
1627: Kiplagat, Kenyan-born but now representing the Netherlands, is looking the weakest at this stage.
1625: Susan Kepchemei takes over the lead as the leaders run onto the Willis Avenue Bridge, which will take them into the Bronx. But the Kenyan's lead is short-lived as Radcliffe nudges back in front.
1620: Approaching the 20th mile, there is little between the first trio and no sign as to who will crack first.
1614: Radcliffe's head is bobbing in trademark fashion but she still looks relatively comfortable. She is insisting on keeping her nose in front, Just as she has throughout the race.
1608: Former marathon world record-holder Tegla Laroupe drops away, leaving just three runners - Paula Radcliffe, Lornah Kiplagat and Susan Chepkemei - battling at the front.
1605: The women arrive in Manhattan where an enthusiastically noisy crowd greet them. The leading quartet have now completed 16 miles.
1603: Laroupe is back with Radcliffe and Kiplagat but her fellow Kenyan Susan Chepchemei is yo-yoing backwards and forwards, losing touch then catching up again.
1601: Paula Radcliffe and Lornah Kiplagat are pulling away from the other two runners. Laroupe is just managing to keep in touch.
1553: The leading quartet is about 30m ahead of London Marathon winner Margaret Okayo. Chepkemei is having to work hard to keep up with Kiplagat, Laroupe and Radcliffe.
1546: The elite women are on the Pulaski Bridge and pass the halfway point. Malot cranks up the pace before dropping back, her job as pacemaker done. Four athletes have broken away - Radcliffe, Lornah Kiplagat, Tegla Laroupe and Susan Chepkemei.
1539: It is so far so good as Radcliffe comes through the first hour of her first New York Marathon. The Briton is one of a pack of eight at the head of the field.
1530: With 10 miles gone, the leading women's pack is stringing out a little. Radcliffe looks confident as she edges the pace along with Malot.
1524: Pacemaker Leah Malot, one of four Kenyans in the leading group, has picked up the pace and the pack is thinnning down slightly - now there are just eight with Olympic bronze medallist Deena Kastor one of those to drop back.
1516: Radcliffe is looking comfortable so far. She has been at the front of the leading pack - currently containing 10 runners - for the entire race.
1510: The elite women have nearly completed seven miles as the main field begin their race.
1500: A group of nine are breaking clear down the long Fourth Avenue route. Among those to be dropped is world cross country champion and marathon debutant Benita Johnson.
1457: Radcliffe is at the front of the pack as the runners go past the first drinks station.
1455: The women's race is being run at a fairly steady pace and the leaders have now completed almost four of the 26 miles.
1450: The leaders are now in Brooklyn, where the streets are lined with cheering crowds.
1447: Radcliffe is running just to the side of the main group of leaders, which contains all the race favourites, including London Marathon winner Margaret Okayo.
1444: A group of 16 runners are already well clear as the field cross the bridge out of Staten Island, heading towards Brooklyn.
1437: Paula Radcliffe is one of a group of a dozen or so athletes who have already broken away from the main field.
1435: In mild conditions ideal for marathon running, the women's race gets under way from the start-line on Staten Island.