![Mary Keitany: Kenyan marathon world record holder retires at the age of 39 due to back injury - Eurosport Mary Keitany: Kenyan marathon world record holder retires at the age of 39 due to back injury - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x1200/smart/filters:format(jpeg)/origin-imgresizer.eurosport.com/2021/09/22/3224679-66010848-2560-1440.jpg)
Mary Keitany: Kenyan marathon world record holder retires at the age of 39 due to back injury - Eurosport
![adidas Running on Twitter: "In a new story of speed, the ink on Chapter One is barely dry. Write the next one yourself. #adizeroadiosPro - 14/9: https://t.co/fQVCqIqneq https://t.co/L32PtJTxBI" / Twitter adidas Running on Twitter: "In a new story of speed, the ink on Chapter One is barely dry. Write the next one yourself. #adizeroadiosPro - 14/9: https://t.co/fQVCqIqneq https://t.co/L32PtJTxBI" / Twitter](https://pbs.twimg.com/media/EhpFCMJX0AI7G1Q.jpg)
adidas Running on Twitter: "In a new story of speed, the ink on Chapter One is barely dry. Write the next one yourself. #adizeroadiosPro - 14/9: https://t.co/fQVCqIqneq https://t.co/L32PtJTxBI" / Twitter
![adidas Running on Twitter: "Just one chapter in Mary Jepkosgei Keitany's legacy of speed, the adizero Takumi Sen 5 were on the runner's feet for the 2019 New York Marathon. A fan adidas Running on Twitter: "Just one chapter in Mary Jepkosgei Keitany's legacy of speed, the adizero Takumi Sen 5 were on the runner's feet for the 2019 New York Marathon. A fan](https://pbs.twimg.com/media/EhpB6QGWkAAmUKU.jpg)