with a winning time of 2:18:37 hours and became the third fastest woman ever at this distance. At the Summer Olympics in London, she ran a fast pace among the lead pack until the 41 kilometre mark, where she fell behind to finish fourth. 2013 She announced her pregnancy at the start of 2013 and skipped that year's competitions. 2014 On 2 November, Keitany battled with eventual second-place finisher Jemima Sumgong to win the New York City Marathon in a time of 2:25:07. 2015 At the London Marathon, Keitany was one of the "Fantastic Four" of Kenyans (consisting of Keitany, Edna Kiplagat, Florence Kiplagat, and Priscah Jeptoo) who were expected to win the race and possibly challenge Paula Radcliffe's course record (and women's world record). Down the last stretch of the race, Keitany battled Ethiopian Tirfi Tsegaye, with Keitany finishing second in 2:23:40 hours, 18 seconds behind winner Tigist Tufa from Ethiopia. Keitany remarked after the race that she was affected by the wind and cold weather. 2016 Keitany won the New York City Marathon in 2:24:26 hours. Sally Kipyego finished second (2:28:01), with Molly Huddle in third (2:28:13). Keitany won the 2016 Bix 7 Road Race in Davenport, Iowa in 35:18 and set the course record for women. 2017 In April, Keitany won the London Marathon, setting a new world record (women only) at 2:17:01 hours. She bettered Radcliffe's record by 41 seconds, which she set at the 2005 London Marathon. Tirunesh Dibaba finished second, 55 seconds behind. (Radcliffe has run a faster time in a mixed gender event, but that is a separate record.) Her 1st half marathon split time was 1:06:54 hours. Earlier in February the same year, Keitany finished the Ras Al Khaimah Half Marathon second (1:05.13) after Peres Jepchirchir, whose 1:05:06 finish time set a new world record. The third, fourth, and fifth-place finishers (Joyciline Jepkosgei, Jemima Sumgong, and Tirunesh Dibaba) also set new personal bests. She won the TD Beach to Beacon 10k on 5 August 2017 in a course record time of 30:41 minutes. She improved the cr set at last year's run. Keitany did not compete at the World Championships in London. On 10 September 2017, Keitany won the 2017 Great North Run in 1:05:59, 20 seconds off her course record from 2014. On 5 November 2017, she finished second at the New York City Marathon at a time of 2:27:54. 2018