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Brigid Kosgei
London Marathon 2018 (27765192508).jpg
Kosgei during the 2018 London Marathon
Personal information
Born 20 February 1994 (1994-02-20) (age 27)
Sinon, Kapsowar, Kenya
Sport Athletics
Event(s) Marathon
Coached by Eric Kimaiyo
Achievements and titles
Personal best(s) Marathon 2:14:04 WR (2019)
Half Marathon 1:04:49 (2020)

Brigid Jepchirchir Kosgei (born 20 February 1994) is a Kenyan marathon runner who won the 2018 and 2019 Chicago Marathons and the 2019 and 2020 London Marathons. She is the current marathon world record holder for women running in a mixed-sex race, with a time of 2:14:04 achieved on 13 October 2019 at the Chicago Marathon. This beat the previous world record set 16 years before by 1 minute 24 seconds, and the women's Chicago Marathon record by 3 minutes and 14 seconds.

Personal life

Kosgei grew up in Elgeyo-Marakwet County, Kenya, and had six siblings. Aged 17, she began running training with her boyfriend and now husband Matthew Kosgei.


Kosgei finished in the top two in eight of the first nine marathons that she ran. She came second at the 2016 Lisbon Marathon behind Sarah Chepchirchir, in a personal best time of 2:24:45. Her time was faster than the previous course record. In 2017, Kosgei won the Bogotá Half Marathon, and came third at the Copenhagen Half Marathon. She came second in the 2017 Chicago Marathon in a personal best time of 2:20:22. Her time was the sixth-fastest ever time at the Chicago Marathon. Weeks later, she won the Honolulu Marathon, beating the course record by over five minutes. In 2018, Kosgei came second in the London Marathon behind Vivian Cheruiyot. After injuring herself during the Bogotá Marathon, Kosgei decided to run the Great North Run, in order to practice ahead of the 2018 Chicago Marathon. She finished the event second, behind Cheruiyot. Kosgei later won the Chicago Marathon, after breaking away from a group of two other Kenyans and three Ethiopians after 30–35 kilometres (19–22 mi) of the race. She set a personal best time of 2:18:35. During 2018, Kosgei also won a cross country event in Eldoret, Kenya, and the Kalya Half Marathon in Kapenguria, Kenya.

Kosgei won the 2019 London Marathon, becoming the youngest woman to win the event. This was the third-best time in London after Paula Radcliffe in 2005 with 2:17:42 and Mary Keitany 2017 with the world record 2:17:01. At the 2019 Great North Run, Kosgei won in a course-record time of 1:04.28, 23 seconds faster than the previous half marathon world record set by Joyciline Jepkosgei.

She won the 2019 Chicago Marathon on 13 October 2019 in a world record time of 2:14:04, an improvement of her personal best by more than 4 minutes. She beat the previous world record by 81 seconds, and was over six minutes ahead of second place Ababel Yeshaneh. Kosgei wore specially adapted Nike shoes, which have been alleged to have given her a 60–90 second advantage.

In February 2020, Kosgei finished second to Yeshaneh at the Ras Al Khaimah Half Marathon. Kosgei's time of 1:04:49 was two seconds better than the previous world record. Kosgei and Yeshaneh's time of 30:18 after 10 kilometres (6.2 mi) of the race was only one second slower than the best time set in a track 10,000m event in 2019. Later in the year, Kosgei won the rescheduled 2020 London Marathon by over three minutes. Kosgei broke away from the pack 18 miles (29 km) into the race, and stayed ahead for the rest of the race. She finished in a time of 2:18.58.

Before its postponement, Kosgei was chosen to lead the Kenyan women's marathon squad for the 2020 Summer Olympics in Tokyo, Japan. The other athletes chosen in the squad were Cheruiyot and Ruth Chepng'etich, and it was Kosgei's first appearance at the Olympics. In February 2021, Kosgei was confirmed in the Kenyan marathon team for the rescheduled 2020 Summer Olympics, alongside Cheruiyot, Chepng'etich and Peres Jepchirchir. At the Games, she finished second behind Jepchirchir.

Marathon competition record

Competition Rank Time Location Date
2015 Porto Marathon 1st 2:47:59 Porto 8 November 2015
2016 Milano City Marathon 1st 2:27:45 Milan 3 April 2016
2016 Lisbon Marathon 2nd 2:24:45 Lisbon 2 October 2016
2016 Honolulu Marathon 1st 2:31:11 Honolulu 11 December 2016
2017 Boston Marathon 8th 2:31:48 Boston 17 April 2017
2017 Chicago Marathon 2nd 2:20:22 Chicago 8 October 2017
2017 Honolulu Marathon 1st 2:22:15 Honolulu 10 December 2017
2018 London Marathon 2nd 2:20:13 London 22 April 2018
2018 Chicago Marathon 1st 2:18:35 Chicago 7 October 2018
2019 London Marathon 1st 2:18:20 London 28 April 2019
2019 Chicago Marathon 1st 2:14:04 Chicago 13 October 2019
2020 London Marathon 1st 2:18:58 London 4 October 2020


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