Brigid Jepchirchir Kosgei, born in Kenya on February 20, 1994, has established herself as one of the most formidable long-distance runners in history, particularly known for her record-breaking marathon performances. Her career is punctuated by several key races where she not only won but also set new benchmarks, pushing the boundaries of what was thought possible in women's marathon running. From her early days of consistent improvement to her monumental
world record, Kosgei's achievements reflect a relentless pursuit of excellence and a profound impact on the sport.
Setting the Stage: Early Personal Bests and Course Records
Kosgei's journey to record-breaking began with a series of strong performances that showcased her developing talent. In 2016, she achieved a personal best at the Lisbon Marathon, finishing second with a time of 2:24:45, significantly improving upon her previous record. The following year, 2017, saw her continue this upward trajectory. At the Chicago Marathon, she secured a second-place finish with another personal best of 2:20:22. This time was notable, ranking as the sixth fastest in the history of the Chicago Marathon at that point.
Just weeks after her Chicago performance, Kosgei demonstrated her versatility and endurance by winning the Honolulu Marathon. In this race, she not only claimed victory but also shattered the course record by an impressive five minutes. These early successes were crucial in building her confidence and experience, laying the groundwork for the more significant records she would later achieve on the global stage.
The World Record in Chicago and Other Notable Times
The pinnacle of Brigid Kosgei's career arrived on October 13, 2019, at the Chicago Marathon. In a performance that captivated the running world, she set a new marathon world record with an astounding time of 2:14:04. This achievement was not just a marginal improvement; she bettered her own personal best by over four minutes and surpassed the previous world record by a remarkable 81 seconds. Her dominance in this race was evident, as she finished a full six minutes ahead of the second-place runner, Ababel Yeshaneh. This historic run was reportedly aided by specially designed Nike shoes, which were estimated to have given her a 60 to 90-second advantage.
Beyond her world record, Kosgei has consistently delivered exceptionally fast times in other major marathons. In 2019, she won the London Marathon with a time of 2:18:20, which was the third fastest time ever recorded in London, placing her among legends like Paula Radcliffe and Mary Keitany. In February 2020, at the Ras Al Khaimah Half Marathon, she finished second with a time of 1:04:49. This time was actually two seconds faster than the previous half marathon world record, underscoring the incredibly high level of competition and her own elite performance. Her victory at the 2021 Tokyo Marathon in March 2022, with a time of 2:16:20, also stands as the third fastest time ever recorded, further cementing her legacy as a runner who consistently delivers record-setting performances.










