Kosgei

Kosgei is a Kenyan surname of Kalenjin origin. It is used by people from the Rift Valley region and is commonly associated with the area’s tradition of long-distance running, though the name appears among individuals in various fields.

The most widely known bearer is Brigid Kosgei (born 1994), a Kenyan long-distance runner who holds the women’s marathon world record. She set the record of 2:14:04 at the Chicago Marathon in 2019, breaking the previous mark by 1 minute 21 seconds.

As a surname, Kosgei appears among several Kenyan athletes and public figures, reflecting the prominence of Kalenjin names in athletics on the international stage.