Mary Jepkosgei Keitany is a Kenyan former professional long distance runner. She was the world record holder in a women-only marathon, having won the 2017 London Marathon in a time of 2:17:01. As of November 2022, she placed fifth on the world all-time list at the marathon and eleventh on the respective world all-time list for the half marathon. Mary Jepkosgei Keitany (Kenya) set the women's marathon world record of 2:17:01 in London Marathon on April 23, 2017. It stood 2.5 years, until Brigid Kosgei's 2:14:04 on October 13, 2019. Wiki link